20124043004 has 24 divisors (see below), whose sum is σ = 38145324000. Its totient is φ = 9234327744.

The previous prime is 20124042979. The next prime is 20124043007. The reversal of 20124043004 is 40034042102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20124043007) 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, 1109504 + ... + 1127495.

It is an arithmetic number, because the mean of its divisors is an integer number (1589388500).

Almost surely, 2^20124043004 is an apocalyptic number.

It is an amenable number.

20124043004 is a deficient number, since it is larger than the sum of its proper divisors (18021280996).

20124043004 is a wasteful number, since it uses less digits than its factorization.

20124043004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2237189 (or 2237187 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 20124043004 its reverse (40034042102), we get a palindrome (60158085106).

The spelling of 20124043004 in words is "twenty billion, one hundred twenty-four million, forty-three thousand, four".