20470404020 has 24 divisors (see below), whose sum is σ = 46895835168. Its totient is φ = 7443783200.

The previous prime is 20470404011. The next prime is 20470404043. The reversal of 20470404020 is 2040407402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46523426 + ... + 46523865.

It is an arithmetic number, because the mean of its divisors is an integer number (1953993132).

Almost surely, 2^20470404020 is an apocalyptic number.

20470404020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20470404020 is an abundant number, since it is smaller than the sum of its proper divisors (26425431148).

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

20470404020 is a wasteful number, since it uses less digits than its factorization.

20470404020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93047311 (or 93047309 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 23.

The spelling of 20470404020 in words is "twenty billion, four hundred seventy million, four hundred four thousand, twenty".