220677842 has 32 divisors (see below), whose sum is σ = 423861120. Its totient is φ = 83652480.

The previous prime is 220677839. The next prime is 220677857. The reversal of 220677842 is 248776022.

It is a happy number.

220677842 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 220677796 and 220677805.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13667 + ... + 25062.

It is an arithmetic number, because the mean of its divisors is an integer number (13245660).

Almost surely, 2^220677842 is an apocalyptic number.

220677842 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

220677842 is a deficient number, since it is larger than the sum of its proper divisors (203183278).

220677842 is a wasteful number, since it uses less digits than its factorization.

220677842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38786.

The product of its (nonzero) digits is 75264, while the sum is 38.

The square root of 220677842 is about 14855.2294495911. The cubic root of 220677842 is about 604.3004385916.

The spelling of 220677842 in words is "two hundred twenty million, six hundred seventy-seven thousand, eight hundred forty-two".