20412000412 has 24 divisors (see below), whose sum is σ = 37052452976. Its totient is φ = 9832088448.

The previous prime is 20412000397. The next prime is 20412000439. The reversal of 20412000412 is 21400021402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 800283 + ... + 825394.

Almost surely, 2^20412000412 is an apocalyptic number.

It is an amenable number.

20412000412 is a deficient number, since it is larger than the sum of its proper divisors (16640452564).

20412000412 is a wasteful number, since it uses less digits than its factorization.

20412000412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1625797 (or 1625795 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 20412000412 its reverse (21400021402), we get a palindrome (41812021814).

The spelling of 20412000412 in words is "twenty billion, four hundred twelve million, four hundred twelve", and thus it is an aban number.