19841980202 has 16 divisors (see below), whose sum is σ = 34378618752. Its totient is φ = 8488547520.

The previous prime is 19841980159. The next prime is 19841980211. The reversal of 19841980202 is 20208914891.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26526338 + ... + 26527085.

It is an arithmetic number, because the mean of its divisors is an integer number (2148663672).

Almost surely, 2^19841980202 is an apocalyptic number.

19841980202 is a deficient number, since it is larger than the sum of its proper divisors (14536638550).

19841980202 is a wasteful number, since it uses less digits than its factorization.

19841980202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53053453.

The product of its (nonzero) digits is 82944, while the sum is 44.

The spelling of 19841980202 in words is "nineteen billion, eight hundred forty-one million, nine hundred eighty thousand, two hundred two".