20423000526 has 64 divisors (see below), whose sum is σ = 41981829120. Its totient is φ = 6621638400.

The previous prime is 20423000471. The next prime is 20423000537. The reversal of 20423000526 is 62500032402.

It is a junction number, because it is equal to n+sod(n) for n = 20423000496 and 20423000505.

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, 10674946 + ... + 10676858.

It is an arithmetic number, because the mean of its divisors is an integer number (655966080).

Almost surely, 2^20423000526 is an apocalyptic number.

20423000526 is an abundant number, since it is smaller than the sum of its proper divisors (21558828594).

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

20423000526 is a wasteful number, since it uses less digits than its factorization.

20423000526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2321.

The product of its (nonzero) digits is 2880, while the sum is 24.

Adding to 20423000526 its reverse (62500032402), we get a palindrome (82923032928).

The spelling of 20423000526 in words is "twenty billion, four hundred twenty-three million, five hundred twenty-six", and thus it is an aban number.