Search a number
-
+
20200122022020 = 22353110860280657
BaseRepresentation
bin1001001011111001101010…
…00110001111100010000100
32122112010001020100112220020
410211330311012033202010
510121424322214201040
6110543450303335140
74153260566111133
oct445746506174204
978463036315806
1020200122022020
1164889072a1186
122322b03bb14b0
13b36b2b987295
144db99662391a
152506b8daecd0
hex125f3518f884

20200122022020 has 48 divisors (see below), whose sum is σ = 58384868817408. Its totient is φ = 5212934714880.

The previous prime is 20200122022013. The next prime is 20200122022021. The reversal of 20200122022020 is 2022022100202.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (20200122022021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5430138469 + ... + 5430142188.

It is an arithmetic number, because the mean of its divisors is an integer number (1216351433696).

Almost surely, 220200122022020 is an apocalyptic number.

20200122022020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20200122022020 is an abundant number, since it is smaller than the sum of its proper divisors (38184746795388).

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

20200122022020 is a wasteful number, since it uses less digits than its factorization.

20200122022020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10860280700 (or 10860280698 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 20200122022020 its reverse (2022022100202), we get a palindrome (22222144122222).

The spelling of 20200122022020 in words is "twenty trillion, two hundred billion, one hundred twenty-two million, twenty-two thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 31 60 62 93 124 155 186 310 372 465 620 930 1860 10860280657 21720561314 32580841971 43441122628 54301403285 65161683942 108602806570 130323367884 162904209855 217205613140 325808419710 336668700367 651616839420 673337400734 1010006101101 1346674801468 1683343501835 2020012202202 3366687003670 4040024404404 5050030505505 6733374007340 10100061011010 20200122022020