20320100213 has 8 divisors (see below), whose sum is σ = 23245076160. Its totient is φ = 17400650400.

The previous prime is 20320100173. The next prime is 20320100231. The reversal of 20320100213 is 31200102302.

It is a happy number.

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

It is not a de Polignac number, because 20320100213 - 2²⁸ = 20051664757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20320109213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1373648 + ... + 1388361.

It is an arithmetic number, because the mean of its divisors is an integer number (2905634520).

Almost surely, 2^20320100213 is an apocalyptic number.

It is an amenable number.

20320100213 is a deficient number, since it is larger than the sum of its proper divisors (2924975947).

20320100213 is a wasteful number, since it uses less digits than its factorization.

20320100213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2763067.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 20320100213 its reverse (31200102302), we get a palindrome (51520202515).

The spelling of 20320100213 in words is "twenty billion, three hundred twenty million, one hundred thousand, two hundred thirteen".