20204004412 has 6 divisors (see below), whose sum is σ = 35357007728. Its totient is φ = 10102002204.

The previous prime is 20204004349. The next prime is 20204004413. The reversal of 20204004412 is 21440040202.

It is a self number, because there is not a number n which added to its sum of digits gives 20204004412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20204004413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2525500548 + ... + 2525500555.

Almost surely, 2^20204004412 is an apocalyptic number.

It is an amenable number.

20204004412 is a deficient number, since it is larger than the sum of its proper divisors (15153003316).

20204004412 is a wasteful number, since it uses less digits than its factorization.

20204004412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5051001107 (or 5051001105 counting only the distinct ones).

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

Adding to 20204004412 its reverse (21440040202), we get a palindrome (41644044614).

The spelling of 20204004412 in words is "twenty billion, two hundred four million, four thousand, four hundred twelve".