20201000033 has 8 divisors (see below), whose sum is σ = 20262709800. Its totient is φ = 20139356160.

The previous prime is 20201000009. The next prime is 20201000047. The reversal of 20201000033 is 33000010202.

It can be written as a sum of positive squares in 4 ways, for example, as 2236154944 + 17964845089 = 47288^2 + 134033^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20201000033 - 2¹⁰ = 20200999009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20200999978 and 20201000023.

It is not an unprimeable number, because it can be changed into a prime (20201000093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 636641 + ... + 667617.

It is an arithmetic number, because the mean of its divisors is an integer number (2532838725).

Almost surely, 2^20201000033 is an apocalyptic number.

It is an amenable number.

20201000033 is a deficient number, since it is larger than the sum of its proper divisors (61709767).

20201000033 is a wasteful number, since it uses less digits than its factorization.

20201000033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32947.

The product of its (nonzero) digits is 36, while the sum is 11.

Adding to 20201000033 its reverse (33000010202), we get a palindrome (53201010235).

The spelling of 20201000033 in words is "twenty billion, two hundred one million, thirty-three", and thus it is an aban number.