20013127517430 has 32 divisors (see below), whose sum is σ = 53368340047200. Its totient is φ = 5336834004576.

The previous prime is 20013127517381. The next prime is 20013127517459. The reversal of 20013127517430 is 3471572131002.

20013127517430 is a `hidden beast` number, since 2 + 0 + 0 + 13 + 127 + 517 + 4 + 3 + 0 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37061346985 + ... + 37061347524.

It is an arithmetic number, because the mean of its divisors is an integer number (1667760626475).

Almost surely, 2^{20013127517430} is an apocalyptic number.

20013127517430 is an abundant number, since it is smaller than the sum of its proper divisors (33355212529770).

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

20013127517430 is a wasteful number, since it uses less digits than its factorization.

20013127517430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74122694525 (or 74122694519 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

Adding to 20013127517430 its reverse (3471572131002), we get a palindrome (23484699648432).

The spelling of 20013127517430 in words is "twenty trillion, thirteen billion, one hundred twenty-seven million, five hundred seventeen thousand, four hundred thirty".