20315305535348 has 12 divisors (see below), whose sum is σ = 35790387269700. Its totient is φ = 10089480601152.

The previous prime is 20315305535347. The next prime is 20315305535381. The reversal of 20315305535348 is 84353550351302.

It can be written as a sum of positive squares in 2 ways, for example, as 11557742510224 + 8757563025124 = 3399668^2 + 2959318^2 .

It is a super-2 number, since 2×20315305535348² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 17043040961 + ... + 17043042152.

It is an arithmetic number, because the mean of its divisors is an integer number (2982532272475).

Almost surely, 2^{20315305535348} is an apocalyptic number.

It is an amenable number.

20315305535348 is a deficient number, since it is larger than the sum of its proper divisors (15475081734352).

20315305535348 is a wasteful number, since it uses less digits than its factorization.

20315305535348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34086083266 (or 34086083264 counting only the distinct ones).

The product of its (nonzero) digits is 3240000, while the sum is 47.

The spelling of 20315305535348 in words is "twenty trillion, three hundred fifteen billion, three hundred five million, five hundred thirty-five thousand, three hundred forty-eight".