20322311202 has 48 divisors (see below), whose sum is σ = 45306858168. Its totient is φ = 6580454400.

The previous prime is 20322311189. The next prime is 20322311239. The reversal of 20322311202 is 20211322302.

It can be written as a sum of positive squares in 4 ways, for example, as 18069005241 + 2253305961 = 134421^2 + 47469^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9103 + ... + 201810.

Almost surely, 2^20322311202 is an apocalyptic number.

20322311202 is an abundant number, since it is smaller than the sum of its proper divisors (24984546966).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20322311202 is a wasteful number, since it uses less digits than its factorization.

20322311202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211075 (or 211072 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 20322311202 its reverse (20211322302), we get a palindrome (40533633504).

The spelling of 20322311202 in words is "twenty billion, three hundred twenty-two million, three hundred eleven thousand, two hundred two".