20072465523 has 32 divisors (see below), whose sum is σ = 32460721920. Its totient is φ = 12157490880.

The previous prime is 20072465521. The next prime is 20072465531. The reversal of 20072465523 is 32556427002.

20072465523 is a `hidden beast` number, since 2 + 0 + 0 + 72 + 4 + 65 + 523 = 666.

It is not a de Polignac number, because 20072465523 - 2¹ = 20072465521 is a prime.

It is a super-3 number, since 3×20072465523³ (a number of 32 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (20072465521) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 471736 + ... + 512522.

It is an arithmetic number, because the mean of its divisors is an integer number (1014397560).

Almost surely, 2^20072465523 is an apocalyptic number.

20072465523 is a deficient number, since it is larger than the sum of its proper divisors (12388256397).

20072465523 is a wasteful number, since it uses less digits than its factorization.

20072465523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42464 (or 42458 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 36.

The spelling of 20072465523 in words is "twenty billion, seventy-two million, four hundred sixty-five thousand, five hundred twenty-three".