20315266003365 has 32 divisors (see below), whose sum is σ = 33314995840896. Its totient is φ = 10564900669440.

The previous prime is 20315266003339. The next prime is 20315266003381. The reversal of 20315266003365 is 56330066251302.

It is not a de Polignac number, because 20315266003365 - 2²⁵ = 20315232448933 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7666299 + ... + 9970088.

It is an arithmetic number, because the mean of its divisors is an integer number (1041093620028).

Almost surely, 2^{20315266003365} is an apocalyptic number.

It is an amenable number.

20315266003365 is a deficient number, since it is larger than the sum of its proper divisors (12999729837531).

20315266003365 is a wasteful number, since it uses less digits than its factorization.

20315266003365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17638309.

The product of its (nonzero) digits is 583200, while the sum is 42.

The spelling of 20315266003365 in words is "twenty trillion, three hundred fifteen billion, two hundred sixty-six million, three thousand, three hundred sixty-five".