20136426444412 has 12 divisors (see below), whose sum is σ = 35238829302376. Its totient is φ = 10068189500880.

The previous prime is 20136426444391. The next prime is 20136426444461. The reversal of 20136426444412 is 21444462463102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3946638 + ... + 7473205.

Almost surely, 2^{20136426444412} is an apocalyptic number.

It is an amenable number.

20136426444412 is a deficient number, since it is larger than the sum of its proper divisors (15102402857964).

20136426444412 is a wasteful number, since it uses less digits than its factorization.

20136426444412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11860668 (or 11860666 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 43.

The spelling of 20136426444412 in words is "twenty trillion, one hundred thirty-six billion, four hundred twenty-six million, four hundred forty-four thousand, four hundred twelve".