220505501233200 has 120 divisors (see below), whose sum is σ = 722779427622208. Its totient is φ = 57433991005440.

The previous prime is 220505501233141. The next prime is 220505501233261. The reversal of 220505501233200 is 2332105505022.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2136629614 + ... + 2136732813.

Almost surely, 2^{220505501233200} is an apocalyptic number.

220505501233200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220505501233200 is an abundant number, since it is smaller than the sum of its proper divisors (502273926389008).

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

220505501233200 is a wasteful number, since it uses less digits than its factorization.

220505501233200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4273362491 (or 4273362480 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

Adding to 220505501233200 its reverse (2332105505022), we get a palindrome (222837606738222).

The spelling of 220505501233200 in words is "two hundred twenty trillion, five hundred five billion, five hundred one million, two hundred thirty-three thousand, two hundred".