220042790 has 16 divisors (see below), whose sum is σ = 432084240. Its totient is φ = 80015520.

The previous prime is 220042783. The next prime is 220042813. The reversal of 220042790 is 97240022.

220042790 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1000085 + ... + 1000304.

It is an arithmetic number, because the mean of its divisors is an integer number (27005265).

Almost surely, 2^220042790 is an apocalyptic number.

220042790 is a deficient number, since it is larger than the sum of its proper divisors (212041450).

220042790 is a wasteful number, since it uses less digits than its factorization.

220042790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2000407.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 220042790 is about 14833.8393546647. The cubic root of 220042790 is about 603.7202097988.

The spelling of 220042790 in words is "two hundred twenty million, forty-two thousand, seven hundred ninety".