220572870 has 64 divisors (see below), whose sum is σ = 606652416. Its totient is φ = 50279040.

The previous prime is 220572851. The next prime is 220572871. The reversal of 220572870 is 78275022.

220572870 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220572871) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 89292 + ... + 91728.

It is an arithmetic number, because the mean of its divisors is an integer number (9478944).

Almost surely, 2^220572870 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220572870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (303326208).

220572870 is an abundant number, since it is smaller than the sum of its proper divisors (386079546).

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

220572870 is a wasteful number, since it uses less digits than its factorization.

220572870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2885.

The product of its (nonzero) digits is 15680, while the sum is 33.

The square root of 220572870 is about 14851.6958627626. The cubic root of 220572870 is about 604.2046055499.

The spelling of 220572870 in words is "two hundred twenty million, five hundred seventy-two thousand, eight hundred seventy".