20315305425532 has 24 divisors (see below), whose sum is σ = 38286885175616. Its totient is φ = 9376209580608.

The previous prime is 20315305425419. The next prime is 20315305425533. The reversal of 20315305425532 is 23552450351302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20315305425533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4190818 + ... + 7628470.

Almost surely, 2^{20315305425532} is an apocalyptic number.

It is an amenable number.

20315305425532 is a deficient number, since it is larger than the sum of its proper divisors (17971579750084).

20315305425532 is a wasteful number, since it uses less digits than its factorization.

20315305425532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3551317 (or 3551315 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 40.

Adding to 20315305425532 its reverse (23552450351302), we get a palindrome (43867755776834).

The spelling of 20315305425532 in words is "twenty trillion, three hundred fifteen billion, three hundred five million, four hundred twenty-five thousand, five hundred thirty-two".