19980270202 has 16 divisors (see below), whose sum is σ = 30313336320. Its totient is φ = 9875870752.

The previous prime is 19980270197. The next prime is 19980270203. The reversal of 19980270202 is 20207208991.

It is a super-2 number, since 2×19980270202² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (19980270203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1256433 + ... + 1272235.

It is an arithmetic number, because the mean of its divisors is an integer number (1894583520).

Almost surely, 2^19980270202 is an apocalyptic number.

19980270202 is a deficient number, since it is larger than the sum of its proper divisors (10333066118).

19980270202 is a wasteful number, since it uses less digits than its factorization.

19980270202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22997.

The product of its (nonzero) digits is 36288, while the sum is 40.

The spelling of 19980270202 in words is "nineteen billion, nine hundred eighty million, two hundred seventy thousand, two hundred two".