20403130115 has 16 divisors (see below), whose sum is σ = 24553929600. Its totient is φ = 16275783552.

The previous prime is 20403130103. The next prime is 20403130127. The reversal of 20403130115 is 51103130402.

It is an interprime number because it is at equal distance from previous prime (20403130103) and next prime (20403130127).

It is a cyclic number.

It is not a de Polignac number, because 20403130115 - 2¹² = 20403126019 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3491366 + ... + 3497204.

It is an arithmetic number, because the mean of its divisors is an integer number (1534620600).

Almost surely, 2^20403130115 is an apocalyptic number.

20403130115 is a deficient number, since it is larger than the sum of its proper divisors (4150799485).

20403130115 is a wasteful number, since it uses less digits than its factorization.

20403130115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7726.

The product of its (nonzero) digits is 360, while the sum is 20.

Adding to 20403130115 its reverse (51103130402), we get a palindrome (71506260517).

The spelling of 20403130115 in words is "twenty billion, four hundred three million, one hundred thirty thousand, one hundred fifteen".