220535072 has 12 divisors (see below), whose sum is σ = 434178486. Its totient is φ = 110267520.

The previous prime is 220535027. The next prime is 220535093. The reversal of 220535072 is 270535022.

It can be written as a sum of positive squares in only one way, i.e., 178596496 + 41938576 = 13364^2 + 6476^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3445829 + ... + 3445892.

Almost surely, 2^220535072 is an apocalyptic number.

It is an amenable number.

220535072 is a deficient number, since it is larger than the sum of its proper divisors (213643414).

220535072 is an equidigital number, since it uses as much as digits as its factorization.

220535072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6891731 (or 6891723 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 26.

The square root of 220535072 is about 14850.4232936304. The cubic root of 220535072 is about 604.1700908333.

The spelling of 220535072 in words is "two hundred twenty million, five hundred thirty-five thousand, seventy-two".