20313233222 has 16 divisors (see below), whose sum is σ = 33179511600. Its totient is φ = 9290262240.

The previous prime is 20313233201. The next prime is 20313233231. The reversal of 20313233222 is 22233231302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9215429 + ... + 9217632.

It is an arithmetic number, because the mean of its divisors is an integer number (2073719475).

Almost surely, 2^20313233222 is an apocalyptic number.

20313233222 is a deficient number, since it is larger than the sum of its proper divisors (12866278378).

20313233222 is a wasteful number, since it uses less digits than its factorization.

20313233222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18433111.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 20313233222 its reverse (22233231302), we get a palindrome (42546464524).

The spelling of 20313233222 in words is "twenty billion, three hundred thirteen million, two hundred thirty-three thousand, two hundred twenty-two".