20302378860212 has 12 divisors (see below), whose sum is σ = 35529266761380. Its totient is φ = 10151159785536.

The previous prime is 20302378860173. The next prime is 20302378860259. The reversal of 20302378860212 is 21206887320302.

It can be written as a sum of positive squares in 2 ways, for example, as 1337015814436 + 18965363045776 = 1156294^2 + 4354924^2 .

It is a congruent number.

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, 5832863 + ... + 8638694.

It is an arithmetic number, because the mean of its divisors is an integer number (2960772230115).

Almost surely, 2^{20302378860212} is an apocalyptic number.

It is an amenable number.

20302378860212 is a deficient number, since it is larger than the sum of its proper divisors (15226887901168).

20302378860212 is a wasteful number, since it uses less digits than its factorization.

20302378860212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14822290 (or 14822288 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 44.

The spelling of 20302378860212 in words is "twenty trillion, three hundred two billion, three hundred seventy-eight million, eight hundred sixty thousand, two hundred twelve".