20422343232 has 84 divisors (see below), whose sum is σ = 59496684156. Its totient is φ = 6695838720.

The previous prime is 20422343203. The next prime is 20422343261. The reversal of 20422343232 is 23234322402.

It is a happy number.

20422343232 is a `hidden beast` number, since 2 + 0 + 4 + 223 + 432 + 3 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (20422343203) and next prime (20422343261).

It can be written as a sum of positive squares in 2 ways, for example, as 10829316096 + 9593027136 = 104064^2 + 97944^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20422343196 and 20422343205.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 255483 + ... + 325754.

It is an arithmetic number, because the mean of its divisors is an integer number (708293859).

Almost surely, 2^20422343232 is an apocalyptic number.

It is an amenable number.

20422343232 is an abundant number, since it is smaller than the sum of its proper divisors (39074340924).

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

20422343232 is a wasteful number, since it uses less digits than its factorization.

20422343232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581316 (or 581303 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 27.

Adding to 20422343232 its reverse (23234322402), we get a palindrome (43656665634).

The spelling of 20422343232 in words is "twenty billion, four hundred twenty-two million, three hundred forty-three thousand, two hundred thirty-two".