20002873124 has 36 divisors (see below), whose sum is σ = 39899870640. Its totient is φ = 8746189920.

The previous prime is 20002873123. The next prime is 20002873129. The reversal of 20002873124 is 42137820002.

It is a super-2 number, since 2×20002873124² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20002873123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 765842 + ... + 791529.

It is an arithmetic number, because the mean of its divisors is an integer number (1108329740).

Almost surely, 2^20002873124 is an apocalyptic number.

It is an amenable number.

20002873124 is a deficient number, since it is larger than the sum of its proper divisors (19896997516).

20002873124 is a wasteful number, since it uses less digits than its factorization.

20002873124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1557420 (or 1557405 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 29.

The spelling of 20002873124 in words is "twenty billion, two million, eight hundred seventy-three thousand, one hundred twenty-four".