20315124541430 has 64 divisors (see below), whose sum is σ = 38806696581120. Its totient is φ = 7640438230656.

The previous prime is 20315124541429. The next prime is 20315124541433. The reversal of 20315124541430 is 3414542151302.

It is a super-2 number, since 2×20315124541430² (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 (20315124541433) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 214670804 + ... + 214765416.

It is an arithmetic number, because the mean of its divisors is an integer number (606354634080).

Almost surely, 2^{20315124541430} is an apocalyptic number.

20315124541430 is a deficient number, since it is larger than the sum of its proper divisors (18491572039690).

20315124541430 is a wasteful number, since it uses less digits than its factorization.

20315124541430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110525.

The product of its (nonzero) digits is 57600, while the sum is 35.

Adding to 20315124541430 its reverse (3414542151302), we get a palindrome (23729666692732).

The spelling of 20315124541430 in words is "twenty trillion, three hundred fifteen billion, one hundred twenty-four million, five hundred forty-one thousand, four hundred thirty".