220277868 has 36 divisors (see below), whose sum is σ = 542467800. Its totient is φ = 69560064.

The previous prime is 220277809. The next prime is 220277899. The reversal of 220277868 is 868772022.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21093 + ... + 29756.

It is an arithmetic number, because the mean of its divisors is an integer number (15068550).

Almost surely, 2^220277868 is an apocalyptic number.

It is an amenable number.

220277868 is an abundant number, since it is smaller than the sum of its proper divisors (322189932).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220277868 is a wasteful number, since it uses less digits than its factorization.

220277868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50894 (or 50873 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 42.

The square root of 220277868 is about 14841.7609467340. The cubic root of 220277868 is about 603.9351238010.

The spelling of 220277868 in words is "two hundred twenty million, two hundred seventy-seven thousand, eight hundred sixty-eight".