20315262335560 has 64 divisors (see below), whose sum is σ = 47266882171200. Its totient is φ = 7853785395456.

The previous prime is 20315262335491. The next prime is 20315262335581. The reversal of 20315262335560 is 6553326251302.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 71370430 + ... + 71654509.

It is an arithmetic number, because the mean of its divisors is an integer number (738545033925).

Almost surely, 2^{20315262335560} is an apocalyptic number.

20315262335560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20315262335560 is an abundant number, since it is smaller than the sum of its proper divisors (26951619835640).

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

20315262335560 is a wasteful number, since it uses less digits than its factorization.

20315262335560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143025070 (or 143025066 counting only the distinct ones).

The product of its (nonzero) digits is 972000, while the sum is 43.

Adding to 20315262335560 its reverse (6553326251302), we get a palindrome (26868588586862).

The spelling of 20315262335560 in words is "twenty trillion, three hundred fifteen billion, two hundred sixty-two million, three hundred thirty-five thousand, five hundred sixty".