20102313115 has 4 divisors (see below), whose sum is σ = 24122775744. Its totient is φ = 16081850488.

The previous prime is 20102313073. The next prime is 20102313223. The reversal of 20102313115 is 51131320102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20102313115 - 2¹³ = 20102304923 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20102313092 and 20102313101.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2010231307 + ... + 2010231316.

It is an arithmetic number, because the mean of its divisors is an integer number (6030693936).

Almost surely, 2^20102313115 is an apocalyptic number.

20102313115 is a deficient number, since it is larger than the sum of its proper divisors (4020462629).

20102313115 is an equidigital number, since it uses as much as digits as its factorization.

20102313115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4020462628.

The product of its (nonzero) digits is 180, while the sum is 19.

Adding to 20102313115 its reverse (51131320102), we get a palindrome (71233633217).

The spelling of 20102313115 in words is "twenty billion, one hundred two million, three hundred thirteen thousand, one hundred fifteen".