10447272920 has 32 divisors (see below), whose sum is σ = 26864416800. Its totient is φ = 3581922048.

The previous prime is 10447272889. The next prime is 10447272923. The reversal of 10447272920 is 2927274401.

It is a super-2 number, since 2×10447272920² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10447272923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18655565 + ... + 18656124.

It is an arithmetic number, because the mean of its divisors is an integer number (839513025).

Almost surely, 2^10447272920 is an apocalyptic number.

10447272920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10447272920 is an abundant number, since it is smaller than the sum of its proper divisors (16417143880).

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

10447272920 is a wasteful number, since it uses less digits than its factorization.

10447272920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37311707 (or 37311703 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 38.

The spelling of 10447272920 in words is "ten billion, four hundred forty-seven million, two hundred seventy-two thousand, nine hundred twenty".