20032343213 has 4 divisors (see below), whose sum is σ = 20033566080. Its totient is φ = 20031120348.

The previous prime is 20032343179. The next prime is 20032343231. The reversal of 20032343213 is 31234323002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20032343213 - 2¹⁶ = 20032277677 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20032343263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 586523 + ... + 619736.

It is an arithmetic number, because the mean of its divisors is an integer number (5008391520).

Almost surely, 2^20032343213 is an apocalyptic number.

It is an amenable number.

20032343213 is a deficient number, since it is larger than the sum of its proper divisors (1222867).

20032343213 is a wasteful number, since it uses less digits than its factorization.

20032343213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1222866.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 20032343213 its reverse (31234323002), we get a palindrome (51266666215).

The spelling of 20032343213 in words is "twenty billion, thirty-two million, three hundred forty-three thousand, two hundred thirteen".