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20200122000010 = 25193143241330943
BaseRepresentation
bin1001001011111001101010…
…00110001010001010001010
32122112010001020022102201001
410211330311012022022022
510121424322213000020
6110543450303045214
74153260565660021
oct445746506121212
978463036272631
1020200122000010
116488907286697
122322b03ba080a
13b36b2b97a264
144db9966198b8
152506b8da850a
hex125f3518a28a

20200122000010 has 128 divisors (see below), whose sum is σ = 40595232522240. Its totient is φ = 7205533977600.

The previous prime is 20200122000007. The next prime is 20200122000011. The reversal of 20200122000010 is 1000022100202.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (20200122000011) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 60872599 + ... + 61203541.

It is an arithmetic number, because the mean of its divisors is an integer number (317150254080).

Almost surely, 220200122000010 is an apocalyptic number.

20200122000010 is an abundant number, since it is smaller than the sum of its proper divisors (20395110522230).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20200122000010 is a wasteful number, since it uses less digits than its factorization.

20200122000010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331284.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 20200122000010 its reverse (1000022100202), we get a palindrome (21200144100212).

The spelling of 20200122000010 in words is "twenty trillion, two hundred billion, one hundred twenty-two million, ten", and thus it is an aban number.

Divisors: 1 2 5 10 19 31 38 43 62 86 95 155 190 215 241 310 430 482 589 817 1178 1205 1333 1634 2410 2666 2945 4085 4579 5890 6665 7471 8170 9158 10363 13330 14942 20726 22895 25327 37355 45790 50654 51815 74710 103630 126635 141949 196897 253270 283898 321253 330943 393794 642506 661886 709745 984485 1419490 1606265 1654715 1968970 3212530 3309430 6103807 6287917 10259233 12207614 12575834 14230549 20518466 28461098 30519035 31439585 51296165 61038070 62879170 71152745 79757263 102592330 142305490 159514526 194925427 270380431 389850854 398786315 441147019 540760862 797572630 882294038 974627135 1351902155 1515387997 1949254270 2205735095 2472475153 2703804310 3030775994 3429562309 4411470190 4944950306 6859124618 7576939985 8381793361 12362375765 15153879970 16763586722 17147811545 24724751530 34295623090 41908966805 46977027907 65161683871 83817933610 93954055814 106316431579 130323367742 212632863158 234885139535 325808419355 469770279070 531582157895 651616838710 1063164315790 2020012200001 4040024400002 10100061000005 20200122000010