220832642 has 16 divisors (see below), whose sum is σ = 339968664. Its totient is φ = 107520000.

The previous prime is 220832641. The next prime is 220832653. The reversal of 220832642 is 246238022.

It can be written as a sum of positive squares in 4 ways, for example, as 196812841 + 24019801 = 14029^2 + 4901^2 .

It is not an unprimeable number, because it can be changed into a prime (220832641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47042 + ... + 51522.

Almost surely, 2^220832642 is an apocalyptic number.

220832642 is a deficient number, since it is larger than the sum of its proper divisors (119136022).

220832642 is a wasteful number, since it uses less digits than its factorization.

220832642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5125.

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 220832642 is about 14860.4388225920. The cubic root of 220832642 is about 604.4417061248.

The spelling of 220832642 in words is "two hundred twenty million, eight hundred thirty-two thousand, six hundred forty-two".