20315305535346 has 48 divisors (see below), whose sum is σ = 44248146209280. Its totient is φ = 6736131836640.

The previous prime is 20315305535309. The next prime is 20315305535347. The reversal of 20315305535346 is 64353550351302.

It is a happy number.

20315305535346 is a `hidden beast` number, since 2 + 0 + 3 + 1 + 5 + 3 + 0 + 553 + 53 + 46 = 666.

It is not an unprimeable number, because it can be changed into a prime (20315305535347) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 198847545 + ... + 198949683.

It is an arithmetic number, because the mean of its divisors is an integer number (921836379360).

Almost surely, 2^{20315305535346} is an apocalyptic number.

20315305535346 is an abundant number, since it is smaller than the sum of its proper divisors (23932840673934).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20315305535346 is a wasteful number, since it uses less digits than its factorization.

20315305535346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160191 (or 160188 counting only the distinct ones).

The product of its (nonzero) digits is 2430000, while the sum is 45.

Adding to 20315305535346 its reverse (64353550351302), we get a palindrome (84668855886648).

The spelling of 20315305535346 in words is "twenty trillion, three hundred fifteen billion, three hundred five million, five hundred thirty-five thousand, three hundred forty-six".