220307968 has 20 divisors (see below), whose sum is σ = 440186670. Its totient is φ = 110153728.

The previous prime is 220307957. The next prime is 220308013. The reversal of 220307968 is 869703022.

It can be written as a sum of positive squares in only one way, i.e., 218093824 + 2214144 = 14768^2 + 1488^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214633 + ... + 215656.

Almost surely, 2^220307968 is an apocalyptic number.

It is an amenable number.

220307968 is a deficient number, since it is larger than the sum of its proper divisors (219878702).

220307968 is an frugal number, since it uses more digits than its factorization.

220307968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430307 (or 430291 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 220307968 is about 14842.7749427120. The cubic root of 220307968 is about 603.9626309059.

The spelling of 220307968 in words is "two hundred twenty million, three hundred seven thousand, nine hundred sixty-eight".