201133313012020 has 24 divisors (see below), whose sum is σ = 422389884153384. Its totient is φ = 80451434380416.

The previous prime is 201133313011997. The next prime is 201133313012053. The reversal of 201133313012020 is 20210313331102.

It can be written as a sum of positive squares in 4 ways, for example, as 33692870357136 + 167440442654884 = 5804556^2 + 12939878^2 .

It is a junction number, because it is equal to n+sod(n) for n = 201133313011982 and 201133313012000.

It is a congruent number.

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, 117304107 + ... + 119006386.

It is an arithmetic number, because the mean of its divisors is an integer number (17599578506391).

Almost surely, 2^{201133313012020} is an apocalyptic number.

201133313012020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201133313012020 is an abundant number, since it is smaller than the sum of its proper divisors (221256571141364).

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

201133313012020 is a wasteful number, since it uses less digits than its factorization.

201133313012020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236353059 (or 236353057 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 201133313012020 its reverse (20210313331102), we get a palindrome (221343626343122).

The spelling of 201133313012020 in words is "two hundred one trillion, one hundred thirty-three billion, three hundred thirteen million, twelve thousand, twenty".