220420682668 has 12 divisors (see below), whose sum is σ = 387734829160. Its totient is φ = 109639302912.

The previous prime is 220420682627. The next prime is 220420682681. The reversal of 220420682668 is 866286024022.

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, 142758738 + ... + 142760281.

Almost surely, 2^220420682668 is an apocalyptic number.

It is an amenable number.

220420682668 is a deficient number, since it is larger than the sum of its proper divisors (167314146492).

220420682668 is a wasteful number, since it uses less digits than its factorization.

220420682668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285519216 (or 285519214 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 46.

The spelling of 220420682668 in words is "two hundred twenty billion, four hundred twenty million, six hundred eighty-two thousand, six hundred sixty-eight".