20317761120 has 96 divisors (see below), whose sum is σ = 64039465728. Its totient is φ = 5414809088.

The previous prime is 20317761097. The next prime is 20317761133. The reversal of 20317761120 is 2116771302.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×20317761120² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 845917 + ... + 869603.

It is an arithmetic number, because the mean of its divisors is an integer number (667077768).

Almost surely, 2^20317761120 is an apocalyptic number.

20317761120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20317761120 is an abundant number, since it is smaller than the sum of its proper divisors (43721704608).

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

20317761120 is a wasteful number, since it uses less digits than its factorization.

20317761120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25492 (or 25484 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 30.

The spelling of 20317761120 in words is "twenty billion, three hundred seventeen million, seven hundred sixty-one thousand, one hundred twenty".