220626965 has 24 divisors (see below), whose sum is σ = 288396288. Its totient is φ = 161952960.

The previous prime is 220626961. The next prime is 220626979. The reversal of 220626965 is 569626022.

It is a happy number.

It is not a de Polignac number, because 220626965 - 2² = 220626961 is a prime.

It is a super-2 number, since 2×220626965² = 97352515370222450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220626961) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 160712 + ... + 162078.

It is an arithmetic number, because the mean of its divisors is an integer number (12016512).

Almost surely, 2^220626965 is an apocalyptic number.

It is an amenable number.

220626965 is a deficient number, since it is larger than the sum of its proper divisors (67769323).

220626965 is a wasteful number, since it uses less digits than its factorization.

220626965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1589 (or 1576 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 220626965 is about 14853.5169236111. The cubic root of 220626965 is about 604.2539947859.

The spelling of 220626965 in words is "two hundred twenty million, six hundred twenty-six thousand, nine hundred sixty-five".