20013043423322 has 4 divisors (see below), whose sum is σ = 30019565134986. Its totient is φ = 10006521711660.

The previous prime is 20013043423187. The next prime is 20013043423367. The reversal of 20013043423322 is 22332434031002.

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., 20003605106521 + 9438316801 = 4472539^2 + 97151^2 .

It is an unprimeable number.

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, 5003260855829 + ... + 5003260855832.

Almost surely, 2^{20013043423322} is an apocalyptic number.

20013043423322 is a deficient number, since it is larger than the sum of its proper divisors (10006521711664).

20013043423322 is a wasteful number, since it uses less digits than its factorization.

20013043423322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10006521711663.

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 20013043423322 its reverse (22332434031002), we get a palindrome (42345477454324).

The spelling of 20013043423322 in words is "twenty trillion, thirteen billion, forty-three million, four hundred twenty-three thousand, three hundred twenty-two".