20100323322 has 12 divisors (see below), whose sum is σ = 43550700570. Its totient is φ = 6700107768.

The previous prime is 20100323249. The next prime is 20100323333. The reversal of 20100323322 is 22332300102.

It is a happy number.

20100323322 is a `hidden beast` number, since 20 + 1 + 0 + 0 + 323 + 322 = 666.

It can be written as a sum of positive squares in only one way, i.e., 15542858241 + 4557465081 = 124671^2 + 67509^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 1116684629 = 20100323322 / (2 + 0 + 1 + 0 + 0 + 3 + 2 + 3 + 3 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 20100323295 and 20100323304.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 558342297 + ... + 558342332.

Almost surely, 2^20100323322 is an apocalyptic number.

20100323322 is an abundant number, since it is smaller than the sum of its proper divisors (23450377248).

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

20100323322 is a wasteful number, since it uses less digits than its factorization.

20100323322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1116684637 (or 1116684634 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 20100323322 its reverse (22332300102), we get a palindrome (42432623424).

The spelling of 20100323322 in words is "twenty billion, one hundred million, three hundred twenty-three thousand, three hundred twenty-two".