220502078 has 4 divisors (see below), whose sum is σ = 330753120. Its totient is φ = 110251038.

The previous prime is 220502063. The next prime is 220502111. The reversal of 220502078 is 870205022.

It is a semiprime because it is the product of two primes.

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 as a sum of consecutive naturals, namely, 55125518 + ... + 55125521.

It is an arithmetic number, because the mean of its divisors is an integer number (82688280).

Almost surely, 2^220502078 is an apocalyptic number.

220502078 is a deficient number, since it is larger than the sum of its proper divisors (110251042).

220502078 is a wasteful number, since it uses less digits than its factorization.

220502078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110251041.

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 220502078 is about 14849.3123746522. The cubic root of 220502078 is about 604.1399595984.

The spelling of 220502078 in words is "two hundred twenty million, five hundred two thousand, seventy-eight".