20132230213 has 4 divisors (see below), whose sum is σ = 20132674348. Its totient is φ = 20131786080.

The previous prime is 20132230193. The next prime is 20132230249. The reversal of 20132230213 is 31203223102.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5431395204 + 14700835009 = 73698^2 + 121247^2 .

It is a cyclic number.

It is not a de Polignac number, because 20132230213 - 2²⁵ = 20098675781 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 (20132230513) 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, 145206 + ... + 247687.

It is an arithmetic number, because the mean of its divisors is an integer number (5033168587).

Almost surely, 2^20132230213 is an apocalyptic number.

It is an amenable number.

20132230213 is a deficient number, since it is larger than the sum of its proper divisors (444135).

20132230213 is an equidigital number, since it uses as much as digits as its factorization.

20132230213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444134.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 20132230213 its reverse (31203223102), we get a palindrome (51335453315).

The spelling of 20132230213 in words is "twenty billion, one hundred thirty-two million, two hundred thirty thousand, two hundred thirteen".