20006075274021 has 12 divisors (see below), whose sum is σ = 29512508206272. Its totient is φ = 13053609398376.

The previous prime is 20006075274013. The next prime is 20006075274071. The reversal of 20006075274021 is 12047257060002.

It is a happy number.

20006075274021 is a `hidden beast` number, since 2 + 0 + 0 + 0 + 607 + 5 + 2 + 7 + 40 + 2 + 1 = 666.

It is not a de Polignac number, because 20006075274021 - 2³ = 20006075274013 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 (20006075274001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23647842691 + ... + 23647843536.

It is an arithmetic number, because the mean of its divisors is an integer number (2459375683856).

Almost surely, 2^{20006075274021} is an apocalyptic number.

It is an amenable number.

20006075274021 is a deficient number, since it is larger than the sum of its proper divisors (9506432932251).

20006075274021 is a wasteful number, since it uses less digits than its factorization.

20006075274021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47295686280 (or 47295686277 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The spelling of 20006075274021 in words is "twenty trillion, six billion, seventy-five million, two hundred seventy-four thousand, twenty-one".