201233022120020 has 24 divisors (see below), whose sum is σ = 461006559766368. Its totient is φ = 73175644407200.

The previous prime is 201233022120007. The next prime is 201233022120023. The reversal of 201233022120020 is 20021220332102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 201233022119974 and 201233022120001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201233022120023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 457347777326 + ... + 457347777765.

It is an arithmetic number, because the mean of its divisors is an integer number (19208606656932).

Almost surely, 2^{201233022120020} is an apocalyptic number.

201233022120020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201233022120020 is an abundant number, since it is smaller than the sum of its proper divisors (259773537646348).

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

201233022120020 is a wasteful number, since it uses less digits than its factorization.

201233022120020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 914695555111 (or 914695555109 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 201233022120020 its reverse (20021220332102), we get a palindrome (221254242452122).

The spelling of 201233022120020 in words is "two hundred one trillion, two hundred thirty-three billion, twenty-two million, one hundred twenty thousand, twenty".