10920000020 has 12 divisors (see below), whose sum is σ = 22932000084. Its totient is φ = 4368000000.

The previous prime is 10920000011. The next prime is 10920000041. The reversal of 10920000020 is 2000002901.

It can be written as a sum of positive squares in 2 ways, for example, as 1463215504 + 9456784516 = 38252^2 + 97246^2 .

It is a congruent number.

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, 272999981 + ... + 273000020.

It is an arithmetic number, because the mean of its divisors is an integer number (1911000007).

Almost surely, 2^10920000020 is an apocalyptic number.

10920000020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10920000020 is an abundant number, since it is smaller than the sum of its proper divisors (12012000064).

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

10920000020 is a wasteful number, since it uses less digits than its factorization.

10920000020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546000010 (or 546000008 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 10920000020 its reverse (2000002901), we get a palindrome (12920002921).

The spelling of 10920000020 in words is "ten billion, nine hundred twenty million, twenty", and thus it is an aban number.