221430627653320 has 64 divisors (see below), whose sum is σ = 498706767820800. Its totient is φ = 88485545207040.

The previous prime is 221430627653311. The next prime is 221430627653351. The reversal of 221430627653320 is 23356726034122.

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, 297382446 + ... + 298126114.

It is an arithmetic number, because the mean of its divisors is an integer number (7792293247200).

Almost surely, 2^{221430627653320} is an apocalyptic number.

221430627653320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221430627653320 is an abundant number, since it is smaller than the sum of its proper divisors (277276140167480).

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

221430627653320 is a wasteful number, since it uses less digits than its factorization.

221430627653320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750958 (or 750954 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 46.

The spelling of 221430627653320 in words is "two hundred twenty-one trillion, four hundred thirty billion, six hundred twenty-seven million, six hundred fifty-three thousand, three hundred twenty".