20131626322 has 4 divisors (see below), whose sum is σ = 30197439486. Its totient is φ = 10065813160.

The previous prime is 20131626289. The next prime is 20131626329. The reversal of 20131626322 is 22362613102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 17142926761 + 2988699561 = 130931^2 + 54669^2 .

It is not an unprimeable number, because it can be changed into a prime (20131626329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5032906579 + ... + 5032906582.

Almost surely, 2^20131626322 is an apocalyptic number.

20131626322 is a deficient number, since it is larger than the sum of its proper divisors (10065813164).

20131626322 is a wasteful number, since it uses less digits than its factorization.

20131626322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10065813163.

The product of its (nonzero) digits is 5184, while the sum is 28.

The spelling of 20131626322 in words is "twenty billion, one hundred thirty-one million, six hundred twenty-six thousand, three hundred twenty-two".