20031322222 has 8 divisors (see below), whose sum is σ = 30121914672. Its totient is φ = 9990684000.

The previous prime is 20031322193. The next prime is 20031322231. The reversal of 20031322222 is 22222313002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 20031322222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12487554 + ... + 12489157.

It is an arithmetic number, because the mean of its divisors is an integer number (3765239334).

Almost surely, 2^20031322222 is an apocalyptic number.

20031322222 is a deficient number, since it is larger than the sum of its proper divisors (10090592450).

20031322222 is a wasteful number, since it uses less digits than its factorization.

20031322222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24977114.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 20031322222 its reverse (22222313002), we get a palindrome (42253635224).

The spelling of 20031322222 in words is "twenty billion, thirty-one million, three hundred twenty-two thousand, two hundred twenty-two".