20411052800 has 54 divisors (see below), whose sum is σ = 50520560748. Its totient is φ = 8164418560.

The previous prime is 20411052797. The next prime is 20411052859. The reversal of 20411052800 is 825011402.

It is a super-2 number, since 2×20411052800² (a number of 21 digits) contains 22 as substring.

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, 1588214 + ... + 1601013.

Almost surely, 2^20411052800 is an apocalyptic number.

20411052800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20411052800 is an abundant number, since it is smaller than the sum of its proper divisors (30109507948).

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

20411052800 is an equidigital number, since it uses as much as digits as its factorization.

20411052800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3189253 (or 3189234 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 23.

The spelling of 20411052800 in words is "twenty billion, four hundred eleven million, fifty-two thousand, eight hundred".