220393239 has 16 divisors (see below), whose sum is σ = 326623104. Its totient is φ = 131050400.

The previous prime is 220393237. The next prime is 220393249. The reversal of 220393239 is 932393022.

It is a cyclic number.

It is not a de Polignac number, because 220393239 - 2¹ = 220393237 is a prime.

It is a super-2 number, since 2×220393239² = 97146359593822242, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220393231) 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, 61257 + ... + 64754.

It is an arithmetic number, because the mean of its divisors is an integer number (20413944).

Almost surely, 2^220393239 is an apocalyptic number.

220393239 is a deficient number, since it is larger than the sum of its proper divisors (106229865).

220393239 is a wasteful number, since it uses less digits than its factorization.

220393239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126078.

The product of its (nonzero) digits is 17496, while the sum is 33.

The square root of 220393239 is about 14845.6471398185. The cubic root of 220393239 is about 604.0405428321.

The spelling of 220393239 in words is "two hundred twenty million, three hundred ninety-three thousand, two hundred thirty-nine".