220262630 has 32 divisors (see below), whose sum is σ = 476962560. Its totient is φ = 71543520.

The previous prime is 220262599. The next prime is 220262663. The reversal of 220262630 is 36262022.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 220262596 and 220262605.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81476 + ... + 84135.

It is an arithmetic number, because the mean of its divisors is an integer number (14905080).

Almost surely, 2^220262630 is an apocalyptic number.

220262630 is an abundant number, since it is smaller than the sum of its proper divisors (256699930).

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

220262630 is a wasteful number, since it uses less digits than its factorization.

220262630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165644.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 220262630 is about 14841.2475890674. The cubic root of 220262630 is about 603.9211974879.

The spelling of 220262630 in words is "two hundred twenty million, two hundred sixty-two thousand, six hundred thirty".