220667733960 has 32 divisors (see below), whose sum is σ = 662003202240. Its totient is φ = 58844729024.

The previous prime is 220667733911. The next prime is 220667734013. The reversal of 220667733960 is 69337766022.

It is a happy number.

It is a super-2 number, since 2×220667733960² (a number of 23 digits) contains 22 as substring.

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, 919448772 + ... + 919449011.

It is an arithmetic number, because the mean of its divisors is an integer number (20687600070).

Almost surely, 2^220667733960 is an apocalyptic number.

220667733960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220667733960 is an abundant number, since it is smaller than the sum of its proper divisors (441335468280).

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

220667733960 is a wasteful number, since it uses less digits than its factorization.

220667733960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1838897797 (or 1838897793 counting only the distinct ones).

The product of its (nonzero) digits is 3429216, while the sum is 51.

The spelling of 220667733960 in words is "two hundred twenty billion, six hundred sixty-seven million, seven hundred thirty-three thousand, nine hundred sixty".