220355612 has 12 divisors (see below), whose sum is σ = 385764960. Its totient is φ = 110137056.

The previous prime is 220355591. The next prime is 220355633. The reversal of 220355612 is 216553022.

It is an interprime number because it is at equal distance from previous prime (220355591) and next prime (220355633).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4253 + ... + 21419.

It is an arithmetic number, because the mean of its divisors is an integer number (32147080).

Almost surely, 2^220355612 is an apocalyptic number.

It is an amenable number.

220355612 is a deficient number, since it is larger than the sum of its proper divisors (165409348).

220355612 is a wasteful number, since it uses less digits than its factorization.

220355612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20380 (or 20378 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 220355612 is about 14844.3798119019. The cubic root of 220355612 is about 604.0061656023.

The spelling of 220355612 in words is "two hundred twenty million, three hundred fifty-five thousand, six hundred twelve".