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20960676 = 223211411291
BaseRepresentation
bin100111111110…
…1010110100100
31110102220122100
41033331112210
520331220201
62025132100
7343106562
oct117752644
943386570
1020960676
1110917080
12702a030
13445b789
142ad8a32
151c90886
hex13fd5a4

20960676 has 72 divisors (see below), whose sum is σ = 59256288. Its totient is φ = 6192000.

The previous prime is 20960669. The next prime is 20960689. The reversal of 20960676 is 67606902.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 20960676.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15591 + ... + 16881.

It is an arithmetic number, because the mean of its divisors is an integer number (823004).

Almost surely, 220960676 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20960676, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29628144).

20960676 is an abundant number, since it is smaller than the sum of its proper divisors (38295612).

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

20960676 is a wasteful number, since it uses less digits than its factorization.

20960676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1353 (or 1348 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 20960676 is about 4578.2830843014. The cubic root of 20960676 is about 275.7201006151.

The spelling of 20960676 in words is "twenty million, nine hundred sixty thousand, six hundred seventy-six".

Divisors: 1 2 3 4 6 9 11 12 18 22 33 36 41 44 66 82 99 123 132 164 198 246 369 396 451 492 738 902 1291 1353 1476 1804 2582 2706 3873 4059 5164 5412 7746 8118 11619 14201 15492 16236 23238 28402 42603 46476 52931 56804 85206 105862 127809 158793 170412 211724 255618 317586 476379 511236 582241 635172 952758 1164482 1746723 1905516 2328964 3493446 5240169 6986892 10480338 20960676