20632828400 has 30 divisors (see below), whose sum is σ = 49570371192. Its totient is φ = 8253131200.

The previous prime is 20632828369. The next prime is 20632828409. The reversal of 20632828400 is 482823602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20632828409) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25790636 + ... + 25791435.

Almost surely, 2^20632828400 is an apocalyptic number.

20632828400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20632828400 is an abundant number, since it is smaller than the sum of its proper divisors (28937542792).

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

20632828400 is a wasteful number, since it uses less digits than its factorization.

20632828400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51582089 (or 51582078 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 35.

The spelling of 20632828400 in words is "twenty billion, six hundred thirty-two million, eight hundred twenty-eight thousand, four hundred".