220676121 has 12 divisors (see below), whose sum is σ = 319041840. Its totient is φ = 146984760.

The previous prime is 220676111. The next prime is 220676147. The reversal of 220676121 is 121676022.

It is not a de Polignac number, because 220676121 - 2¹¹ = 220674073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220676111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70 + ... + 21008.

It is an arithmetic number, because the mean of its divisors is an integer number (26586820).

Almost surely, 2^220676121 is an apocalyptic number.

It is an amenable number.

220676121 is a deficient number, since it is larger than the sum of its proper divisors (98365719).

220676121 is a wasteful number, since it uses less digits than its factorization.

220676121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22116 (or 22113 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 220676121 is about 14855.1715237489. The cubic root of 220676121 is about 604.2988676685.

Subtracting from 220676121 its reverse (121676022), we obtain a palindrome (99000099).

The spelling of 220676121 in words is "two hundred twenty million, six hundred seventy-six thousand, one hundred twenty-one".