10201020233 has 4 divisors (see below), whose sum is σ = 10201267908. Its totient is φ = 10200772560.

The previous prime is 10201020223. The next prime is 10201020307. The reversal of 10201020233 is 33202010201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33202010201 = 797 ⋅41658733.

It can be written as a sum of positive squares in 2 ways, for example, as 359785024 + 9841235209 = 18968^2 + 99203^2 .

It is a cyclic number.

It is not a de Polignac number, because 10201020233 - 2¹⁰ = 10201019209 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10201020223) 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, 45566 + ... + 149927.

It is an arithmetic number, because the mean of its divisors is an integer number (2550316977).

Almost surely, 2^10201020233 is an apocalyptic number.

It is an amenable number.

10201020233 is a deficient number, since it is larger than the sum of its proper divisors (247675).

10201020233 is an equidigital number, since it uses as much as digits as its factorization.

10201020233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247674.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 10201020233 its reverse (33202010201), we get a palindrome (43403030434).

The spelling of 10201020233 in words is "ten billion, two hundred one million, twenty thousand, two hundred thirty-three".