20351014513 has 8 divisors (see below), whose sum is σ = 21424504320. Its totient is φ = 19277763120.

The previous prime is 20351014499. The next prime is 20351014547. The reversal of 20351014513 is 31541015302.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20351014513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20351014573) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131331 + ... + 240727.

It is an arithmetic number, because the mean of its divisors is an integer number (2678063040).

Almost surely, 2^20351014513 is an apocalyptic number.

It is an amenable number.

20351014513 is a deficient number, since it is larger than the sum of its proper divisors (1073489807).

20351014513 is a wasteful number, since it uses less digits than its factorization.

20351014513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119207.

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 20351014513 its reverse (31541015302), we get a palindrome (51892029815).

The spelling of 20351014513 in words is "twenty billion, three hundred fifty-one million, fourteen thousand, five hundred thirteen".