220676697 has 64 divisors (see below), whose sum is σ = 366336000. Its totient is φ = 130641984.

The previous prime is 220676669. The next prime is 220676717. The reversal of 220676697 is 796676022.

It is not a de Polignac number, because 220676697 - 2⁶ = 220676633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220676497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 695983 + ... + 696299.

It is an arithmetic number, because the mean of its divisors is an integer number (5724000).

Almost surely, 2^220676697 is an apocalyptic number.

220676697 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

220676697 is a deficient number, since it is larger than the sum of its proper divisors (145659303).

220676697 is a wasteful number, since it uses less digits than its factorization.

220676697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427 (or 421 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 45.

The square root of 220676697 is about 14855.1909109240. The cubic root of 220676697 is about 604.2993934403.

The spelling of 220676697 in words is "two hundred twenty million, six hundred seventy-six thousand, six hundred ninety-seven".