20013023322 has 40 divisors (see below), whose sum is σ = 47481885396. Its totient is φ = 6278594688.

The previous prime is 20013023309. The next prime is 20013023333. The reversal of 20013023322 is 22332031002.

It is a happy number.

20013023322 is a `hidden beast` number, since 200 + 130 + 2 + 332 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 17500908681 + 2512114641 = 132291^2 + 50121^2 .

It is a super-2 number, since 2×20013023322² (a number of 21 digits) contains 22 as substring.

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 = 20013023295 and 20013023304.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3630693 + ... + 3636200.

Almost surely, 2^20013023322 is an apocalyptic number.

20013023322 is an abundant number, since it is smaller than the sum of its proper divisors (27468862074).

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

20013023322 is a wasteful number, since it uses less digits than its factorization.

20013023322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7266924 (or 7266915 counting only the distinct ones).

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

Adding to 20013023322 its reverse (22332031002), we get a palindrome (42345054324).

The spelling of 20013023322 in words is "twenty billion, thirteen million, twenty-three thousand, three hundred twenty-two".