10720923820 has 12 divisors (see below), whose sum is σ = 22513940064. Its totient is φ = 4288369520.

The previous prime is 10720923757. The next prime is 10720923853. The reversal of 10720923820 is 2832902701.

It is a super-2 number, since 2×10720923820² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 268023076 + ... + 268023115.

It is an arithmetic number, because the mean of its divisors is an integer number (1876161672).

Almost surely, 2^10720923820 is an apocalyptic number.

10720923820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10720923820 is an abundant number, since it is smaller than the sum of its proper divisors (11793016244).

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

10720923820 is a wasteful number, since it uses less digits than its factorization.

10720923820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536046200 (or 536046198 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The spelling of 10720923820 in words is "ten billion, seven hundred twenty million, nine hundred twenty-three thousand, eight hundred twenty".