20465511315 has 8 divisors (see below), whose sum is σ = 32744818128. Its totient is φ = 10914939360.

The previous prime is 20465511301. The next prime is 20465511347. The reversal of 20465511315 is 51311556402.

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

It is not a de Polignac number, because 20465511315 - 2¹⁶ = 20465445779 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 682183696 + ... + 682183725.

It is an arithmetic number, because the mean of its divisors is an integer number (4093102266).

Almost surely, 2^20465511315 is an apocalyptic number.

20465511315 is a deficient number, since it is larger than the sum of its proper divisors (12279306813).

20465511315 is a wasteful number, since it uses less digits than its factorization.

20465511315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1364367429.

The product of its (nonzero) digits is 18000, while the sum is 33.

The spelling of 20465511315 in words is "twenty billion, four hundred sixty-five million, five hundred eleven thousand, three hundred fifteen".