20020181819202 has 32 divisors (see below), whose sum is σ = 46830834667200. Its totient is φ = 6322162679424.

The previous prime is 20020181819191. The next prime is 20020181819213. The reversal of 20020181819202 is 20291818102002.

It is an interprime number because it is at equal distance from previous prime (20020181819191) and next prime (20020181819213).

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, 9756422863 + ... + 9756424914.

It is an arithmetic number, because the mean of its divisors is an integer number (1463463583350).

Almost surely, 2^{20020181819202} is an apocalyptic number.

20020181819202 is an abundant number, since it is smaller than the sum of its proper divisors (26810652847998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20020181819202 is a wasteful number, since it uses less digits than its factorization.

20020181819202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19512847807 (or 19512847801 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 36.

The spelling of 20020181819202 in words is "twenty trillion, twenty billion, one hundred eighty-one million, eight hundred nineteen thousand, two hundred two".