220668316572 has 48 divisors (see below), whose sum is σ = 576882294912. Its totient is φ = 65061910080.

The previous prime is 220668316567. The next prime is 220668316577. The reversal of 220668316572 is 275613866022.

It is an interprime number because it is at equal distance from previous prime (220668316567) and next prime (220668316577).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220668316577) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22586058 + ... + 22595825.

It is an arithmetic number, because the mean of its divisors is an integer number (12018381144).

Almost surely, 2^220668316572 is an apocalyptic number.

220668316572 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

220668316572 is an abundant number, since it is smaller than the sum of its proper divisors (356213978340).

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

220668316572 is a wasteful number, since it uses less digits than its factorization.

220668316572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45181938 (or 45181936 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 48.

The spelling of 220668316572 in words is "two hundred twenty billion, six hundred sixty-eight million, three hundred sixteen thousand, five hundred seventy-two".