220261136 has 40 divisors (see below), whose sum is σ = 438335040. Its totient is φ = 107162496.

The previous prime is 220261123. The next prime is 220261147. The reversal of 220261136 is 631162022.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 267221 + ... + 268043.

It is an arithmetic number, because the mean of its divisors is an integer number (10958376).

Almost surely, 2^220261136 is an apocalyptic number.

It is an amenable number.

220261136 is a deficient number, since it is larger than the sum of its proper divisors (218073904).

220261136 is a wasteful number, since it uses less digits than its factorization.

220261136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1263 (or 1257 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 220261136 is about 14841.1972562863. The cubic root of 220261136 is about 603.9198320569.

The spelling of 220261136 in words is "two hundred twenty million, two hundred sixty-one thousand, one hundred thirty-six".