20201332313 has 4 divisors (see below), whose sum is σ = 20242476048. Its totient is φ = 20160188580.

The previous prime is 20201332303. The next prime is 20201332381. The reversal of 20201332313 is 31323310202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20201332313 - 2²² = 20197138009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20201332303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20571131 + ... + 20572112.

It is an arithmetic number, because the mean of its divisors is an integer number (5060619012).

Almost surely, 2^20201332313 is an apocalyptic number.

It is an amenable number.

20201332313 is a deficient number, since it is larger than the sum of its proper divisors (41143735).

20201332313 is an equidigital number, since it uses as much as digits as its factorization.

20201332313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41143734.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 20201332313 its reverse (31323310202), we get a palindrome (51524642515).

The spelling of 20201332313 in words is "twenty billion, two hundred one million, three hundred thirty-two thousand, three hundred thirteen".