20201000009933 has 2 divisors, whose sum is σ = 20201000009934. Its totient is φ = 20201000009932.

The previous prime is 20201000009863. The next prime is 20201000010011. The reversal of 20201000009933 is 33990000010202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19734322482889 + 466677527044 = 4442333^2 + 683138^2 .

It is a cyclic number.

It is not a de Polignac number, because 20201000009933 - 2²⁸ = 20200731574477 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20201000009896 and 20201000009905.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20201000009633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10100500004966 + 10100500004967.

It is an arithmetic number, because the mean of its divisors is an integer number (10100500004967).

Almost surely, 2^{20201000009933} is an apocalyptic number.

It is an amenable number.

20201000009933 is a deficient number, since it is larger than the sum of its proper divisors (1).

20201000009933 is an equidigital number, since it uses as much as digits as its factorization.

20201000009933 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 29.

The spelling of 20201000009933 in words is "twenty trillion, two hundred one billion, nine thousand, nine hundred thirty-three".