201002113203020 has 24 divisors (see below), whose sum is σ = 422172817126704. Its totient is φ = 80387820633536.

The previous prime is 201002113203019. The next prime is 201002113203061. The reversal of 201002113203020 is 20302311200102.

It is a self number, because there is not a number n which added to its sum of digits gives 201002113203020.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 813913934 + ... + 814160853.

It is an arithmetic number, because the mean of its divisors is an integer number (17590534046946).

Almost surely, 2^{201002113203020} is an apocalyptic number.

201002113203020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201002113203020 is an abundant number, since it is smaller than the sum of its proper divisors (221170703923684).

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

201002113203020 is a wasteful number, since it uses less digits than its factorization.

201002113203020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1628080969 (or 1628080967 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 201002113203020 its reverse (20302311200102), we get a palindrome (221304424403122).

The spelling of 201002113203020 in words is "two hundred one trillion, two billion, one hundred thirteen million, two hundred three thousand, twenty".