20201002033 has 4 divisors (see below), whose sum is σ = 20897588340. Its totient is φ = 19504415728.

The previous prime is 20201002013. The next prime is 20201002043. The reversal of 20201002033 is 33020010202.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7514809344 + 12686192689 = 86688^2 + 112633^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20201002033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20201002013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 348293110 + ... + 348293167.

It is an arithmetic number, because the mean of its divisors is an integer number (5224397085).

Almost surely, 2^20201002033 is an apocalyptic number.

It is an amenable number.

20201002033 is a deficient number, since it is larger than the sum of its proper divisors (696586307).

20201002033 is an equidigital number, since it uses as much as digits as its factorization.

20201002033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 696586306.

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 20201002033 its reverse (33020010202), we get a palindrome (53221012235).

The spelling of 20201002033 in words is "twenty billion, two hundred one million, two thousand, thirty-three".