20034332313 has 4 divisors (see below), whose sum is σ = 26712443088. Its totient is φ = 13356221540.

The previous prime is 20034332309. The next prime is 20034332327. The reversal of 20034332313 is 31323343002.

It is a happy number.

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 20034332313 - 2² = 20034332309 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20034332713) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3339055383 + ... + 3339055388.

It is an arithmetic number, because the mean of its divisors is an integer number (6678110772).

Almost surely, 2^20034332313 is an apocalyptic number.

It is an amenable number.

20034332313 is a deficient number, since it is larger than the sum of its proper divisors (6678110775).

20034332313 is an equidigital number, since it uses as much as digits as its factorization.

20034332313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6678110774.

The product of its (nonzero) digits is 3888, while the sum is 24.

Adding to 20034332313 its reverse (31323343002), we get a palindrome (51357675315).

The spelling of 20034332313 in words is "twenty billion, thirty-four million, three hundred thirty-two thousand, three hundred thirteen".