20201132313 has 12 divisors (see below), whose sum is σ = 29968046628. Its totient is φ = 13103436960.

The previous prime is 20201132297. The next prime is 20201132321. The reversal of 20201132313 is 31323110202.

20201132313 is a `hidden beast` number, since 20 + 201 + 132 + 313 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 13149667584 + 7051464729 = 114672^2 + 83973^2 .

It is not a de Polignac number, because 20201132313 - 2⁴ = 20201132297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20201132353) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30331698 + ... + 30332363.

It is an arithmetic number, because the mean of its divisors is an integer number (2497337219).

Almost surely, 2^20201132313 is an apocalyptic number.

It is an amenable number.

20201132313 is a deficient number, since it is larger than the sum of its proper divisors (9766914315).

20201132313 is a wasteful number, since it uses less digits than its factorization.

20201132313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60664104 (or 60664101 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 20201132313 its reverse (31323110202), we get a palindrome (51524242515).

The spelling of 20201132313 in words is "twenty billion, two hundred one million, one hundred thirty-two thousand, three hundred thirteen".