667050220 has 24 divisors (see below), whose sum is σ = 1401632064. Its totient is φ = 266662656.

The previous prime is 667050193. The next prime is 667050229. The reversal of 667050220 is 22050766.

It is not an unprimeable number, because it can be changed into a prime (667050229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28557 + ... + 46363.

It is an arithmetic number, because the mean of its divisors is an integer number (58401336).

Almost surely, 2^667050220 is an apocalyptic number.

It is an amenable number.

667050220 is an abundant number, since it is smaller than the sum of its proper divisors (734581844).

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

667050220 is a wasteful number, since it uses less digits than its factorization.

667050220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19689 (or 19687 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 667050220 is about 25827.3153850724. The cubic root of 667050220 is about 873.7479649674.

The spelling of 667050220 in words is "six hundred sixty-seven million, fifty thousand, two hundred twenty".