20257011730124 has 24 divisors (see below), whose sum is σ = 38218217583840. Its totient is φ = 9339216568704.

The previous prime is 20257011730073. The next prime is 20257011730133. The reversal of 20257011730124 is 42103711075202.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211898849 + ... + 211994424.

It is an arithmetic number, because the mean of its divisors is an integer number (1592425732660).

Almost surely, 2^{20257011730124} is an apocalyptic number.

It is an amenable number.

20257011730124 is a deficient number, since it is larger than the sum of its proper divisors (17961205853716).

20257011730124 is a wasteful number, since it uses less digits than its factorization.

20257011730124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423894209 (or 423894207 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 35.

The spelling of 20257011730124 in words is "twenty trillion, two hundred fifty-seven billion, eleven million, seven hundred thirty thousand, one hundred twenty-four".