220934236 has 6 divisors (see below), whose sum is σ = 386634920. Its totient is φ = 110467116.

The previous prime is 220934221. The next prime is 220934237. The reversal of 220934236 is 632439022.

It is a junction number, because it is equal to n+sod(n) for n = 220934198 and 220934207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220934237) by changing a digit.

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 as a sum of consecutive naturals, namely, 27616776 + ... + 27616783.

Almost surely, 2^220934236 is an apocalyptic number.

It is an amenable number.

220934236 is a deficient number, since it is larger than the sum of its proper divisors (165700684).

220934236 is a wasteful number, since it uses less digits than its factorization.

220934236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55233563 (or 55233561 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 220934236 is about 14863.8567000627. The cubic root of 220934236 is about 604.5343829979.

The spelling of 220934236 in words is "two hundred twenty million, nine hundred thirty-four thousand, two hundred thirty-six".