20000222233 has 4 divisors (see below), whose sum is σ = 20115830628. Its totient is φ = 19884613840.

The previous prime is 20000222227. The next prime is 20000222293. The reversal of 20000222233 is 33222200002.

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 18321517449 + 1678704784 = 135357^2 + 40972^2 .

It is a cyclic number.

It is not a de Polignac number, because 20000222233 - 2⁵ = 20000222201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20000222293) 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, 57803938 + ... + 57804283.

It is an arithmetic number, because the mean of its divisors is an integer number (5028957657).

Almost surely, 2^20000222233 is an apocalyptic number.

It is an amenable number.

20000222233 is a deficient number, since it is larger than the sum of its proper divisors (115608395).

20000222233 is a wasteful number, since it uses less digits than its factorization.

20000222233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115608394.

The product of its (nonzero) digits is 288, while the sum is 16.

Adding to 20000222233 its reverse (33222200002), we get a palindrome (53222422235).

The spelling of 20000222233 in words is "twenty billion, two hundred twenty-two thousand, two hundred thirty-three".