20034525513 has 4 divisors (see below), whose sum is σ = 26712700688. Its totient is φ = 13356350340.

The previous prime is 20034525499. The next prime is 20034525541. The reversal of 20034525513 is 31552543002.

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 not a de Polignac number, because 20034525513 - 2⁵ = 20034525481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20034525913) 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, 3339087583 + ... + 3339087588.

It is an arithmetic number, because the mean of its divisors is an integer number (6678175172).

Almost surely, 2^20034525513 is an apocalyptic number.

It is an amenable number.

20034525513 is a deficient number, since it is larger than the sum of its proper divisors (6678175175).

20034525513 is an equidigital number, since it uses as much as digits as its factorization.

20034525513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6678175174.

The product of its (nonzero) digits is 18000, while the sum is 30.

The spelling of 20034525513 in words is "twenty billion, thirty-four million, five hundred twenty-five thousand, five hundred thirteen".