20311303322 has 8 divisors (see below), whose sum is σ = 31210051572. Its totient is φ = 9907952800.

The previous prime is 20311303303. The next prime is 20311303339. The reversal of 20311303322 is 22330311302.

It can be written as a sum of positive squares in 2 ways, for example, as 13670520241 + 6640783081 = 116921^2 + 81491^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 20311303294 and 20311303303.

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, 123849329 + ... + 123849492.

Almost surely, 2^20311303322 is an apocalyptic number.

20311303322 is a deficient number, since it is larger than the sum of its proper divisors (10898748250).

20311303322 is a wasteful number, since it uses less digits than its factorization.

20311303322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247698864.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 20311303322 its reverse (22330311302), we get a palindrome (42641614624).

The spelling of 20311303322 in words is "twenty billion, three hundred eleven million, three hundred three thousand, three hundred twenty-two".