20320211322 has 48 divisors (see below), whose sum is σ = 45156279168. Its totient is φ = 6600424320.

The previous prime is 20320211291. The next prime is 20320211363. The reversal of 20320211322 is 22311202302.

20320211322 is a `hidden beast` number, since 2 + 0 + 320 + 21 + 1 + 322 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 20320211295 and 20320211304.

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, 303138 + ... + 364050.

It is an arithmetic number, because the mean of its divisors is an integer number (940755816).

Almost surely, 2^20320211322 is an apocalyptic number.

20320211322 is an abundant number, since it is smaller than the sum of its proper divisors (24836067846).

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

20320211322 is a wasteful number, since it uses less digits than its factorization.

20320211322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61395 (or 61392 counting only the distinct ones).

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

Adding to 20320211322 its reverse (22311202302), we get a palindrome (42631413624).

The spelling of 20320211322 in words is "twenty billion, three hundred twenty million, two hundred eleven thousand, three hundred twenty-two".