Search a number
-
+
20211110313020 = 225112931102189859
BaseRepresentation
bin1001001100001110001000…
…00011001111110000111100
32122120011102000202120101222
410212013010003033300330
510122114323220004040
6110552504512452512
74154130104046014
oct446070403176074
978504360676358
1020211110313020
116492535961910
12232506bb4a138
13b37b90342213
144dc319b26c44
15250b0d8d9bb5
hex1261c40cfc3c

20211110313020 has 96 divisors (see below), whose sum is σ = 49443541862400. Its totient is φ = 6867158457600.

The previous prime is 20211110313001. The next prime is 20211110313029. The reversal of 20211110313020 is 2031301111202.

It is a self number, because there is not a number n which added to its sum of digits gives 20211110313020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20211110313029) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50897150 + ... + 51292709.

It is an arithmetic number, because the mean of its divisors is an integer number (515036894400).

Almost surely, 220211110313020 is an apocalyptic number.

20211110313020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20211110313020 is an abundant number, since it is smaller than the sum of its proper divisors (29232431549380).

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

20211110313020 is a wasteful number, since it uses less digits than its factorization.

20211110313020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102189939 (or 102189937 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 20211110313020 its reverse (2031301111202), we get a palindrome (22242411424222).

The spelling of 20211110313020 in words is "twenty trillion, two hundred eleven billion, one hundred ten million, three hundred thirteen thousand, twenty".

Divisors: 1 2 4 5 10 11 20 22 29 31 44 55 58 62 110 116 124 145 155 220 290 310 319 341 580 620 638 682 899 1276 1364 1595 1705 1798 3190 3410 3596 4495 6380 6820 8990 9889 17980 19778 39556 49445 98890 197780 102189859 204379718 408759436 510949295 1021898590 1124088449 2043797180 2248176898 2963505911 3167885629 4496353796 5620442245 5927011822 6335771258 11240884490 11854023644 12671542516 14817529555 15839428145 22481768980 29635059110 31678856290 32598565021 34846741919 59270118220 63357712580 65197130042 69693483838 91868683241 130394260084 139386967676 162992825105 174233709595 183737366482 325985650210 348467419190 367474732964 459343416205 651971300420 696934838380 918686832410 1010555515651 1837373664820 2021111031302 4042222062604 5052777578255 10105555156510 20211110313020