20112485472 has 72 divisors (see below), whose sum is σ = 57208689720. Its totient is φ = 6702543360.

The previous prime is 20112485441. The next prime is 20112485479. The reversal of 20112485472 is 27458421102.

20112485472 is a `hidden beast` number, since 20 + 112 + 485 + 47 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×20112485472² (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 congruent number.

It is not an unprimeable number, because it can be changed into a prime (20112485479) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2103679 + ... + 2113217.

It is an arithmetic number, because the mean of its divisors is an integer number (794565135).

Almost surely, 2^20112485472 is an apocalyptic number.

It is an amenable number.

20112485472 is an abundant number, since it is smaller than the sum of its proper divisors (37096204248).

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

20112485472 is a wasteful number, since it uses less digits than its factorization.

20112485472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16876 (or 16865 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 36.

The spelling of 20112485472 in words is "twenty billion, one hundred twelve million, four hundred eighty-five thousand, four hundred seventy-two".