10920524772 has 12 divisors (see below), whose sum is σ = 25481224496. Its totient is φ = 3640174920.

The previous prime is 10920524687. The next prime is 10920524773. The reversal of 10920524772 is 27742502901.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×10920524772² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10920524772.

It is not an unprimeable number, because it can be changed into a prime (10920524773) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 455021854 + ... + 455021877.

Almost surely, 2^10920524772 is an apocalyptic number.

10920524772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10920524772 is an abundant number, since it is smaller than the sum of its proper divisors (14560699724).

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

10920524772 is a wasteful number, since it uses less digits than its factorization.

10920524772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 910043738 (or 910043736 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 39.

The spelling of 10920524772 in words is "ten billion, nine hundred twenty million, five hundred twenty-four thousand, seven hundred seventy-two".