220833156 has 12 divisors (see below), whose sum is σ = 515277392. Its totient is φ = 73611048.

The previous prime is 220833149. The next prime is 220833157. The reversal of 220833156 is 651338022.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (220833157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9201370 + ... + 9201393.

Almost surely, 2^220833156 is an apocalyptic number.

It is an amenable number.

220833156 is an abundant number, since it is smaller than the sum of its proper divisors (294444236).

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

220833156 is a wasteful number, since it uses less digits than its factorization.

220833156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18402770 (or 18402768 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 220833156 is about 14860.4561168223. The cubic root of 220833156 is about 604.4421750814.

The spelling of 220833156 in words is "two hundred twenty million, eight hundred thirty-three thousand, one hundred fifty-six".