1220204876 has 12 divisors (see below), whose sum is σ = 2329482120. Its totient is φ = 554638560.

The previous prime is 1220204827. The next prime is 1220204879. The reversal of 1220204876 is 6784020221.

It is not an unprimeable number, because it can be changed into a prime (1220204879) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13865921 + ... + 13866008.

It is an arithmetic number, because the mean of its divisors is an integer number (194123510).

Almost surely, 2^1220204876 is an apocalyptic number.

It is an amenable number.

1220204876 is a deficient number, since it is larger than the sum of its proper divisors (1109277244).

1220204876 is a wasteful number, since it uses less digits than its factorization.

1220204876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27731944 (or 27731942 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 1220204876 is about 34931.4310614381. The cubic root of 1220204876 is about 1068.5895399423.

The spelling of 1220204876 in words is "one billion, two hundred twenty million, two hundred four thousand, eight hundred seventy-six".