220012515205204 has 24 divisors (see below), whose sum is σ = 395051922471528. Its totient is φ = 107149234536960.

The previous prime is 220012515205201. The next prime is 220012515205211. The reversal of 220012515205204 is 402502515210022.

It can be written as a sum of positive squares in 4 ways, for example, as 36777578060304 + 183234937144900 = 6064452^2 + 13536430^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220012515205201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1087046079 + ... + 1087248454.

It is an arithmetic number, because the mean of its divisors is an integer number (16460496769647).

Almost surely, 2^{220012515205204} is an apocalyptic number.

It is an amenable number.

220012515205204 is a deficient number, since it is larger than the sum of its proper divisors (175039407266324).

220012515205204 is a wasteful number, since it uses less digits than its factorization.

220012515205204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2174295195 (or 2174295193 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 31.

The spelling of 220012515205204 in words is "two hundred twenty trillion, twelve billion, five hundred fifteen million, two hundred five thousand, two hundred four".