20010020233 has 16 divisors (see below), whose sum is σ = 22961562624. Its totient is φ = 17081813520.

The previous prime is 20010020227. The next prime is 20010020243. The reversal of 20010020233 is 33202001002.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20010020233 - 2¹⁷ = 20009889161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20010020243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3373116 + ... + 3379042.

It is an arithmetic number, because the mean of its divisors is an integer number (1435097664).

Almost surely, 2^20010020233 is an apocalyptic number.

It is an amenable number.

20010020233 is a deficient number, since it is larger than the sum of its proper divisors (2951542391).

20010020233 is a wasteful number, since it uses less digits than its factorization.

20010020233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7812.

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

Adding to 20010020233 its reverse (33202001002), we get a palindrome (53212021235).

The spelling of 20010020233 in words is "twenty billion, ten million, twenty thousand, two hundred thirty-three".