20523026800 has 60 divisors (see below), whose sum is σ = 50639218456. Its totient is φ = 7987334400.

The previous prime is 20523026767. The next prime is 20523026801. The reversal of 20523026800 is 862032502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20523026801) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 678546 + ... + 708145.

Almost surely, 2^20523026800 is an apocalyptic number.

20523026800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20523026800 is an abundant number, since it is smaller than the sum of its proper divisors (30116191656).

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

20523026800 is a wasteful number, since it uses less digits than its factorization.

20523026800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1386746 (or 1386735 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The spelling of 20523026800 in words is "twenty billion, five hundred twenty-three million, twenty-six thousand, eight hundred".