220820692 has 12 divisors (see below), whose sum is σ = 387606016. Its totient is φ = 110076120.

The previous prime is 220820689. The next prime is 220820731. The reversal of 220820692 is 296028022.

220820692 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 3 ways as a sum of consecutive naturals, for example, 82068 + ... + 84715.

Almost surely, 2^220820692 is an apocalyptic number.

It is an amenable number.

220820692 is a deficient number, since it is larger than the sum of its proper divisors (166785324).

220820692 is a wasteful number, since it uses less digits than its factorization.

220820692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167118 (or 167116 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 220820692 is about 14860.0367428886. The cubic root of 220820692 is about 604.4308031341.

The spelling of 220820692 in words is "two hundred twenty million, eight hundred twenty thousand, six hundred ninety-two".