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20376734244 = 223101109154243
BaseRepresentation
bin10010111110100011…
…000100101000100100
31221121002102100110220
4102332203010220210
5313212420443434
613205544044340
71320645245316
oct227643045044
957532370426
1020376734244
118707154039
123b481636b0
131bc97614c9
14db43517b6
157e3d85d49
hex4be8c4a24

20376734244 has 48 divisors (see below), whose sum is σ = 48457295040. Its totient is φ = 6663254400.

The previous prime is 20376734221. The next prime is 20376734249. The reversal of 20376734244 is 44243767302.

It is a happy number.

It is a super-2 number, since 2×203767342442 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20376734196 and 20376734205.

It is not an unprimeable number, because it can be changed into a prime (20376734249) 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, 54987 + ... + 209229.

It is an arithmetic number, because the mean of its divisors is an integer number (1009526980).

Almost surely, 220376734244 is an apocalyptic number.

It is an amenable number.

20376734244 is an abundant number, since it is smaller than the sum of its proper divisors (28080560796).

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

20376734244 is a wasteful number, since it uses less digits than its factorization.

20376734244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154460 (or 154458 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 42.

The spelling of 20376734244 in words is "twenty billion, three hundred seventy-six million, seven hundred thirty-four thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 12 101 109 202 218 303 327 404 436 606 654 1212 1308 11009 22018 33027 44036 66054 132108 154243 308486 462729 616972 925458 1850916 15578543 16812487 31157086 33624974 46735629 50437461 62314172 67249948 93471258 100874922 186942516 201749844 1698061187 3396122374 5094183561 6792244748 10188367122 20376734244