20472733735 has 32 divisors (see below), whose sum is σ = 26589720960. Its totient is φ = 15074562048.

The previous prime is 20472733717. The next prime is 20472733751. The reversal of 20472733735 is 53733727402.

It is not a de Polignac number, because 20472733735 - 2¹⁷ = 20472602663 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20472733691 and 20472733700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1402806 + ... + 1417324.

It is an arithmetic number, because the mean of its divisors is an integer number (830928780).

Almost surely, 2^20472733735 is an apocalyptic number.

20472733735 is a deficient number, since it is larger than the sum of its proper divisors (6116987225).

20472733735 is a wasteful number, since it uses less digits than its factorization.

20472733735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14907.

The product of its (nonzero) digits is 740880, while the sum is 43.

The spelling of 20472733735 in words is "twenty billion, four hundred seventy-two million, seven hundred thirty-three thousand, seven hundred thirty-five".