20032242400 has 72 divisors (see below), whose sum is σ = 51780435840. Its totient is φ = 7541544960.

The previous prime is 20032242397. The next prime is 20032242421. The reversal of 20032242400 is 424223002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 722880 + ... + 750079.

It is an arithmetic number, because the mean of its divisors is an integer number (719172720).

Almost surely, 2^20032242400 is an apocalyptic number.

20032242400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20032242400 is an abundant number, since it is smaller than the sum of its proper divisors (31748193440).

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

20032242400 is a wasteful number, since it uses less digits than its factorization.

20032242400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1472996 (or 1472983 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

Adding to 20032242400 its reverse (424223002), we get a palindrome (20456465402).

The spelling of 20032242400 in words is "twenty billion, thirty-two million, two hundred forty-two thousand, four hundred".