20524211823 has 16 divisors (see below), whose sum is σ = 27897580800. Its totient is φ = 13417961280.

The previous prime is 20524211801. The next prime is 20524211833. The reversal of 20524211823 is 32811242502.

It is not a de Polignac number, because 20524211823 - 2⁹ = 20524211311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20524211833) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69363 + ... + 214148.

It is an arithmetic number, because the mean of its divisors is an integer number (1743598800).

Almost surely, 2^20524211823 is an apocalyptic number.

20524211823 is a deficient number, since it is larger than the sum of its proper divisors (7373368977).

20524211823 is a wasteful number, since it uses less digits than its factorization.

20524211823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283982.

The product of its (nonzero) digits is 7680, while the sum is 30.

The spelling of 20524211823 in words is "twenty billion, five hundred twenty-four million, two hundred eleven thousand, eight hundred twenty-three".