20310313464405 has 16 divisors (see below), whose sum is σ = 36107223936960. Its totient is φ = 10832167180944.

The previous prime is 20310313464391. The next prime is 20310313464433. The reversal of 20310313464405 is 50446431301302.

20310313464405 is a `hidden beast` number, since 2 + 0 + 3 + 1 + 0 + 3 + 1 + 3 + 4 + 644 + 0 + 5 = 666.

It is not a de Polignac number, because 20310313464405 - 2⁸ = 20310313464149 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20310313464405.

It is a congruent number.

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, 75223383067 + ... + 75223383336.

It is an arithmetic number, because the mean of its divisors is an integer number (2256701496060).

Almost surely, 2^{20310313464405} is an apocalyptic number.

It is an amenable number.

20310313464405 is a deficient number, since it is larger than the sum of its proper divisors (15796910472555).

20310313464405 is a wasteful number, since it uses less digits than its factorization.

20310313464405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150446766417 (or 150446766411 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

Adding to 20310313464405 its reverse (50446431301302), we get a palindrome (70756744765707).

The spelling of 20310313464405 in words is "twenty trillion, three hundred ten billion, three hundred thirteen million, four hundred sixty-four thousand, four hundred five".