20004424012 has 12 divisors (see below), whose sum is σ = 35021178360. Its totient is φ = 9998373056.

The previous prime is 20004423911. The next prime is 20004424043. The reversal of 20004424012 is 21042440002.

It is a super-2 number, since 2×20004424012² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 947998 + ... + 968869.

It is an arithmetic number, because the mean of its divisors is an integer number (2918431530).

Almost surely, 2^20004424012 is an apocalyptic number.

It is an amenable number.

20004424012 is a deficient number, since it is larger than the sum of its proper divisors (15016754348).

20004424012 is a wasteful number, since it uses less digits than its factorization.

20004424012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1919480 (or 1919478 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 20004424012 its reverse (21042440002), we get a palindrome (41046864014).

The spelling of 20004424012 in words is "twenty billion, four million, four hundred twenty-four thousand, twelve".