220895905368 has 128 divisors (see below), whose sum is σ = 559667646720. Its totient is φ = 72651264000.

The previous prime is 220895905367. The next prime is 220895905387. The reversal of 220895905368 is 863509598022.

It is a super-2 number, since 2×220895905368² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220895905361) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 473010271 + ... + 473010737.

It is an arithmetic number, because the mean of its divisors is an integer number (4372403490).

Almost surely, 2^220895905368 is an apocalyptic number.

It is an amenable number.

220895905368 is an abundant number, since it is smaller than the sum of its proper divisors (338771741352).

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

220895905368 is a wasteful number, since it uses less digits than its factorization.

220895905368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1297 (or 1293 counting only the distinct ones).

The product of its (nonzero) digits is 9331200, while the sum is 57.

The spelling of 220895905368 in words is "two hundred twenty billion, eight hundred ninety-five million, nine hundred five thousand, three hundred sixty-eight".