20003556040124 has 6 divisors (see below), whose sum is σ = 35006223070224. Its totient is φ = 10001778020060.

The previous prime is 20003556040099. The next prime is 20003556040231. The reversal of 20003556040124 is 42104065530002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2500444505012 + ... + 2500444505019.

It is an arithmetic number, because the mean of its divisors is an integer number (5834370511704).

Almost surely, 2^{20003556040124} is an apocalyptic number.

It is an amenable number.

20003556040124 is a deficient number, since it is larger than the sum of its proper divisors (15002667030100).

20003556040124 is a wasteful number, since it uses less digits than its factorization.

20003556040124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5000889010035 (or 5000889010033 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

The spelling of 20003556040124 in words is "twenty trillion, three billion, five hundred fifty-six million, forty thousand, one hundred twenty-four".