220688320134 has 16 divisors (see below), whose sum is σ = 441489542400. Its totient is φ = 73543956360.

The previous prime is 220688320123. The next prime is 220688320217. The reversal of 220688320134 is 431023886022.

It is a junction number, because it is equal to n+sod(n) for n = 220688320092 and 220688320101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4678834 + ... + 4725765.

It is an arithmetic number, because the mean of its divisors is an integer number (27593096400).

Almost surely, 2^220688320134 is an apocalyptic number.

220688320134 is an abundant number, since it is smaller than the sum of its proper divisors (220801222266).

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

220688320134 is a wasteful number, since it uses less digits than its factorization.

220688320134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9408515.

The product of its (nonzero) digits is 110592, while the sum is 39.

The spelling of 220688320134 in words is "two hundred twenty billion, six hundred eighty-eight million, three hundred twenty thousand, one hundred thirty-four".