220634402 has 8 divisors (see below), whose sum is σ = 331025616. Its totient is φ = 110292532.

The previous prime is 220634387. The next prime is 220634413. The reversal of 220634402 is 204436022.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 2333 + ... + 21135.

It is an arithmetic number, because the mean of its divisors is an integer number (41378202).

Almost surely, 2^220634402 is an apocalyptic number.

220634402 is a deficient number, since it is larger than the sum of its proper divisors (110391214).

220634402 is a wasteful number, since it uses less digits than its factorization.

220634402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24672.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 220634402 is about 14853.7672662527. The cubic root of 220634402 is about 604.2607842045.

The spelling of 220634402 in words is "two hundred twenty million, six hundred thirty-four thousand, four hundred two".