1980204069802 has 32 divisors (see below), whose sum is σ = 3412714838400. Its totient is φ = 844140331008.

The previous prime is 1980204069757. The next prime is 1980204069821. The reversal of 1980204069802 is 2089604020891.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20186349 + ... + 20284207.

It is an arithmetic number, because the mean of its divisors is an integer number (106647338700).

Almost surely, 2^{1980204069802} is an apocalyptic number.

1980204069802 is a deficient number, since it is larger than the sum of its proper divisors (1432510768598).

1980204069802 is a wasteful number, since it uses less digits than its factorization.

1980204069802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105550.

The product of its (nonzero) digits is 497664, while the sum is 49.

The spelling of 1980204069802 in words is "one trillion, nine hundred eighty billion, two hundred four million, sixty-nine thousand, eight hundred two".