20736203074413 has 16 divisors (see below), whose sum is σ = 27811276148736. Its totient is φ = 13742727744560.

The previous prime is 20736203074403. The next prime is 20736203074417. The reversal of 20736203074413 is 31447030263702.

It is not a de Polignac number, because 20736203074413 - 2¹⁷ = 20736202943341 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20736203074417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11008095 + ... + 12753452.

It is an arithmetic number, because the mean of its divisors is an integer number (1738204759296).

Almost surely, 2^{20736203074413} is an apocalyptic number.

It is an amenable number.

20736203074413 is a deficient number, since it is larger than the sum of its proper divisors (7075073074323).

20736203074413 is a wasteful number, since it uses less digits than its factorization.

20736203074413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23763264.

The product of its (nonzero) digits is 508032, while the sum is 42.

The spelling of 20736203074413 in words is "twenty trillion, seven hundred thirty-six billion, two hundred three million, seventy-four thousand, four hundred thirteen".