20472114628 has 24 divisors (see below), whose sum is σ = 41306573952. Its totient is φ = 8696118144.

The previous prime is 20472114617. The next prime is 20472114683. The reversal of 20472114628 is 82641127402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3232000 + ... + 3238327.

It is an arithmetic number, because the mean of its divisors is an integer number (1721107248).

Almost surely, 2^20472114628 is an apocalyptic number.

20472114628 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

20472114628 is an abundant number, since it is smaller than the sum of its proper divisors (20834459324).

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

20472114628 is a wasteful number, since it uses less digits than its factorization.

20472114628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6470451 (or 6470449 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 37.

The spelling of 20472114628 in words is "twenty billion, four hundred seventy-two million, one hundred fourteen thousand, six hundred twenty-eight".