20415465300031 has 4 divisors (see below), whose sum is σ = 20487604753672. Its totient is φ = 20343325846392.

The previous prime is 20415465300011. The next prime is 20415465300073. The reversal of 20415465300031 is 13000356451402.

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 20415465300031 - 2³³ = 20406875365439 is a prime.

It is a super-3 number, since 3×20415465300031³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20415465300031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20415465300011) 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, 36069726396 + ... + 36069726961.

It is an arithmetic number, because the mean of its divisors is an integer number (5121901188418).

Almost surely, 2^{20415465300031} is an apocalyptic number.

20415465300031 is a deficient number, since it is larger than the sum of its proper divisors (72139453641).

20415465300031 is an equidigital number, since it uses as much as digits as its factorization.

20415465300031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72139453640.

The product of its (nonzero) digits is 43200, while the sum is 34.

The spelling of 20415465300031 in words is "twenty trillion, four hundred fifteen billion, four hundred sixty-five million, three hundred thousand, thirty-one".