220748364 has 72 divisors (see below), whose sum is σ = 579007520. Its totient is φ = 70854912.

The previous prime is 220748329. The next prime is 220748393. The reversal of 220748364 is 463847022.

220748364 is a `hidden beast` number, since 220 + 74 + 8 + 364 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 136392 + ... + 138000.

Almost surely, 2^220748364 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220748364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (289503760).

220748364 is an abundant number, since it is smaller than the sum of its proper divisors (358259156).

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

220748364 is a wasteful number, since it uses less digits than its factorization.

220748364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1759 (or 1754 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The square root of 220748364 is about 14857.6029022181. The cubic root of 220748364 is about 604.3648038163.

The spelling of 220748364 in words is "two hundred twenty million, seven hundred forty-eight thousand, three hundred sixty-four".