20022331233 has 16 divisors (see below), whose sum is σ = 28269803520. Its totient is φ = 12569954256.

The previous prime is 20022331229. The next prime is 20022331291. The reversal of 20022331233 is 33213322002.

It is not a de Polignac number, because 20022331233 - 2² = 20022331229 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20022331223) 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, 1042185 + ... + 1061222.

It is an arithmetic number, because the mean of its divisors is an integer number (1766862720).

Almost surely, 2^20022331233 is an apocalyptic number.

It is an amenable number.

20022331233 is a deficient number, since it is larger than the sum of its proper divisors (8247472287).

20022331233 is a wasteful number, since it uses less digits than its factorization.

20022331233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2103596.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 20022331233 its reverse (33213322002), we get a palindrome (53235653235).

The spelling of 20022331233 in words is "twenty billion, twenty-two million, three hundred thirty-one thousand, two hundred thirty-three".