220235655504 has 80 divisors (see below), whose sum is σ = 587418545664. Its totient is φ = 71028825600.

The previous prime is 220235655499. The next prime is 220235655527. The reversal of 220235655504 is 405556532022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8708542 + ... + 8733794.

Almost surely, 2^220235655504 is an apocalyptic number.

220235655504 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

220235655504 is an abundant number, since it is smaller than the sum of its proper divisors (367182890160).

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

220235655504 is a wasteful number, since it uses less digits than its factorization.

220235655504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31156 (or 31150 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 39.

The spelling of 220235655504 in words is "two hundred twenty billion, two hundred thirty-five million, six hundred fifty-five thousand, five hundred four".