20312102322 has 32 divisors (see below), whose sum is σ = 45144792000. Its totient is φ = 6769682784.

The previous prime is 20312102287. The next prime is 20312102353. The reversal of 20312102322 is 22320121302.

20312102322 is a `hidden beast` number, since 20 + 312 + 10 + 2 + 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 = 20312102295 and 20312102304.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 391318 + ... + 440174.

It is an arithmetic number, because the mean of its divisors is an integer number (1410774750).

Almost surely, 2^20312102322 is an apocalyptic number.

20312102322 is an abundant number, since it is smaller than the sum of its proper divisors (24832689678).

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

20312102322 is a wasteful number, since it uses less digits than its factorization.

20312102322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56567 (or 56561 counting only the distinct ones).

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

Adding to 20312102322 its reverse (22320121302), we get a palindrome (42632223624).

The spelling of 20312102322 in words is "twenty billion, three hundred twelve million, one hundred two thousand, three hundred twenty-two".