20420032322 has 8 divisors (see below), whose sum is σ = 30654813756. Its totient is φ = 10201761072.

The previous prime is 20420032277. The next prime is 20420032333. The reversal of 20420032322 is 22323002402.

It can be written as a sum of positive squares in 2 ways, for example, as 17194814641 + 3225217681 = 131129^2 + 56791^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 20420032294 and 20420032303.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4124453 + ... + 4129400.

Almost surely, 2^20420032322 is an apocalyptic number.

20420032322 is a deficient number, since it is larger than the sum of its proper divisors (10234781434).

20420032322 is a wasteful number, since it uses less digits than its factorization.

20420032322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8255092.

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 20420032322 its reverse (22323002402), we get a palindrome (42743034724).

The spelling of 20420032322 in words is "twenty billion, four hundred twenty million, thirty-two thousand, three hundred twenty-two".