20201965004403 has 40 divisors (see below), whose sum is σ = 37142454190688. Its totient is φ = 10655981536896.

The previous prime is 20201965004363. The next prime is 20201965004413. The reversal of 20201965004403 is 30440056910202.

It is a happy number.

20201965004403 is a `hidden beast` number, since 2 + 0 + 20 + 1 + 96 + 500 + 4 + 40 + 3 = 666.

It is not a de Polignac number, because 20201965004403 - 2⁶ = 20201965004339 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20201965004413) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1370360626 + ... + 1370375367.

Almost surely, 2^{20201965004403} is an apocalyptic number.

20201965004403 is a deficient number, since it is larger than the sum of its proper divisors (16940489186285).

20201965004403 is a wasteful number, since it uses less digits than its factorization.

20201965004403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2740736025 (or 2740736016 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 20201965004403 in words is "twenty trillion, two hundred one billion, nine hundred sixty-five million, four thousand, four hundred three".