20472005796 has 48 divisors (see below), whose sum is σ = 52130856960. Its totient is φ = 6201221920.

The previous prime is 20472005789. The next prime is 20472005819. The reversal of 20472005796 is 69750027402.

It is a super-2 number, since 2×20472005796² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 325825 + ... + 383543.

It is an arithmetic number, because the mean of its divisors is an integer number (1086059520).

Almost surely, 2^20472005796 is an apocalyptic number.

It is an amenable number.

20472005796 is an abundant number, since it is smaller than the sum of its proper divisors (31658851164).

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

20472005796 is a wasteful number, since it uses less digits than its factorization.

20472005796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60424 (or 60422 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 42.

It can be divided in two parts, 204 and 72005796, that added together give a triangular number (72006000 = T₁₂₀₀₀).

The spelling of 20472005796 in words is "twenty billion, four hundred seventy-two million, five thousand, seven hundred ninety-six".