20413553200 has 30 divisors (see below), whose sum is σ = 49043562524. Its totient is φ = 8165421120.

The previous prime is 20413553191. The next prime is 20413553213. The reversal of 20413553200 is 235531402.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25516542 + ... + 25517341.

Almost surely, 2^20413553200 is an apocalyptic number.

20413553200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20413553200 is an abundant number, since it is smaller than the sum of its proper divisors (28630009324).

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

20413553200 is a wasteful number, since it uses less digits than its factorization.

20413553200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51033901 (or 51033890 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The spelling of 20413553200 in words is "twenty billion, four hundred thirteen million, five hundred fifty-three thousand, two hundred".