201002000111020 has 24 divisors (see below), whose sum is σ = 425427855358464. Its totient is φ = 79767722877696.

The previous prime is 201002000110963. The next prime is 201002000111047. The reversal of 201002000111020 is 20111000200102.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 201002000110988 and 201002000111006.

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, 39567320317 + ... + 39567325396.

It is an arithmetic number, because the mean of its divisors is an integer number (17726160639936).

Almost surely, 2^{201002000111020} is an apocalyptic number.

201002000111020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201002000111020 is an abundant number, since it is smaller than the sum of its proper divisors (224425855247444).

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

201002000111020 is a wasteful number, since it uses less digits than its factorization.

201002000111020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79134645849 (or 79134645847 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 201002000111020 its reverse (20111000200102), we get a palindrome (221113000311122).

The spelling of 201002000111020 in words is "two hundred one trillion, two billion, one hundred eleven thousand, twenty".