20472572259 has 8 divisors (see below), whose sum is σ = 30329736720. Its totient is φ = 13648381488.

The previous prime is 20472572213. The next prime is 20472572293. The reversal of 20472572259 is 95227527402.

20472572259 is a `hidden beast` number, since 2 + 0 + 4 + 72 + 572 + 2 + 5 + 9 = 666.

It is not a de Polignac number, because 20472572259 - 2¹¹ = 20472570211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20472574259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 379121682 + ... + 379121735.

It is an arithmetic number, because the mean of its divisors is an integer number (3791217090).

Almost surely, 2^20472572259 is an apocalyptic number.

20472572259 is a deficient number, since it is larger than the sum of its proper divisors (9857164461).

20472572259 is an equidigital number, since it uses as much as digits as its factorization.

20472572259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758243426 (or 758243420 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 45.

The spelling of 20472572259 in words is "twenty billion, four hundred seventy-two million, five hundred seventy-two thousand, two hundred fifty-nine".