20101202233 has 24 divisors (see below), whose sum is σ = 23650699464. Its totient is φ = 17032780800.

The previous prime is 20101202227. The next prime is 20101202279. The reversal of 20101202233 is 33220210102.

It can be written as a sum of positive squares in 4 ways, for example, as 11119280704 + 8981921529 = 105448^2 + 94773^2 .

It is not a de Polignac number, because 20101202233 - 2³³ = 11511267641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20101202633) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5611503 + ... + 5615083.

It is an arithmetic number, because the mean of its divisors is an integer number (985445811).

Almost surely, 2^20101202233 is an apocalyptic number.

It is an amenable number.

20101202233 is a deficient number, since it is larger than the sum of its proper divisors (3549497231).

20101202233 is a wasteful number, since it uses less digits than its factorization.

20101202233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4873 (or 4866 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20101202233 its reverse (33220210102), we get a palindrome (53321412335).

The spelling of 20101202233 in words is "twenty billion, one hundred one million, two hundred two thousand, two hundred thirty-three".