20124476530 has 16 divisors (see below), whose sum is σ = 36230276160. Its totient is φ = 8048408752.

The previous prime is 20124476509. The next prime is 20124476539. The reversal of 20124476530 is 3567442102.

It is not an unprimeable number, because it can be changed into a prime (20124476539) 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, 110500 + ... + 229039.

It is an arithmetic number, because the mean of its divisors is an integer number (2264392260).

Almost surely, 2^20124476530 is an apocalyptic number.

20124476530 is a deficient number, since it is larger than the sum of its proper divisors (16105799630).

20124476530 is a wasteful number, since it uses less digits than its factorization.

20124476530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345473.

The product of its (nonzero) digits is 40320, while the sum is 34.

The spelling of 20124476530 in words is "twenty billion, one hundred twenty-four million, four hundred seventy-six thousand, five hundred thirty".