10720323756 has 30 divisors (see below), whose sum is σ = 28025044740. Its totient is φ = 3573441144.

The previous prime is 10720323721. The next prime is 10720323787. The reversal of 10720323756 is 65732302701.

It is a super-2 number, since 2×10720323756² (a number of 21 digits) contains 22 as substring.

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 10720323756.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 16543386 + ... + 16544033.

It is an arithmetic number, because the mean of its divisors is an integer number (934168158).

Almost surely, 2^10720323756 is an apocalyptic number.

It is an amenable number.

10720323756 is an abundant number, since it is smaller than the sum of its proper divisors (17304720984).

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

10720323756 is a wasteful number, since it uses less digits than its factorization.

10720323756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33087435 (or 33087424 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 36.

The spelling of 10720323756 in words is "ten billion, seven hundred twenty million, three hundred twenty-three thousand, seven hundred fifty-six".