20123030322 has 24 divisors (see below), whose sum is σ = 46164599676. Its totient is φ = 6313107456.

The previous prime is 20123030269. The next prime is 20123030329. The reversal of 20123030322 is 22303032102.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 19337405481 + 785624841 = 139059^2 + 28029^2 .

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 = 20123030295 and 20123030304.

It is not an unprimeable number, because it can be changed into a prime (20123030329) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32880463 + ... + 32881074.

Almost surely, 2^20123030322 is an apocalyptic number.

20123030322 is an abundant number, since it is smaller than the sum of its proper divisors (26041569354).

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

20123030322 is a wasteful number, since it uses less digits than its factorization.

20123030322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65761562 (or 65761559 counting only the distinct ones).

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

Adding to 20123030322 its reverse (22303032102), we get a palindrome (42426062424).

The spelling of 20123030322 in words is "twenty billion, one hundred twenty-three million, thirty thousand, three hundred twenty-two".