220553742 has 16 divisors (see below), whose sum is σ = 446423040. Its totient is φ = 72631992.

The previous prime is 220553731. The next prime is 220553783. The reversal of 220553742 is 247355022.

It is a super-2 number, since 2×220553742² = 97287906220405128, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220942 + ... + 221937.

It is an arithmetic number, because the mean of its divisors is an integer number (27901440).

Almost surely, 2^220553742 is an apocalyptic number.

220553742 is an abundant number, since it is smaller than the sum of its proper divisors (225869298).

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

220553742 is a wasteful number, since it uses less digits than its factorization.

220553742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442967.

The product of its (nonzero) digits is 16800, while the sum is 30.

The square root of 220553742 is about 14851.0518819375. The cubic root of 220553742 is about 604.1871395763.

The spelling of 220553742 in words is "two hundred twenty million, five hundred fifty-three thousand, seven hundred forty-two".