20315304525435 has 32 divisors (see below), whose sum is σ = 32641374090240. Its totient is φ = 10789202592000.

The previous prime is 20315304525431. The next prime is 20315304525443. The reversal of 20315304525435 is 53452540351302.

It is not a de Polignac number, because 20315304525435 - 2² = 20315304525431 is a prime.

It is a super-2 number, since 2×20315304525435² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20315304525431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 220650160 + ... + 220742210.

It is an arithmetic number, because the mean of its divisors is an integer number (1020042940320).

Almost surely, 2^{20315304525435} is an apocalyptic number.

20315304525435 is a deficient number, since it is larger than the sum of its proper divisors (12326069564805).

20315304525435 is a wasteful number, since it uses less digits than its factorization.

20315304525435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153859.

The product of its (nonzero) digits is 1080000, while the sum is 42.

Adding to 20315304525435 its reverse (53452540351302), we get a palindrome (73767844876737).

The spelling of 20315304525435 in words is "twenty trillion, three hundred fifteen billion, three hundred four million, five hundred twenty-five thousand, four hundred thirty-five".