20253633200 has 30 divisors (see below), whose sum is σ = 48659354724. Its totient is φ = 8101453120.

The previous prime is 20253633187. The next prime is 20253633233. The reversal of 20253633200 is 233635202.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 20253633200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25316642 + ... + 25317441.

Almost surely, 2^20253633200 is an apocalyptic number.

20253633200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20253633200 is an abundant number, since it is smaller than the sum of its proper divisors (28405721524).

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

20253633200 is a wasteful number, since it uses less digits than its factorization.

20253633200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50634101 (or 50634090 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 26.

The spelling of 20253633200 in words is "twenty billion, two hundred fifty-three million, six hundred thirty-three thousand, two hundred".