213220201434 has 16 divisors (see below), whose sum is σ = 440196545280. Its totient is φ = 68780710080.

The previous prime is 213220201417. The next prime is 213220201477. The reversal of 213220201434 is 434102022312.

It is a happy number.

213220201434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 in 7 ways as a sum of consecutive naturals, for example, 573172399 + ... + 573172770.

It is an arithmetic number, because the mean of its divisors is an integer number (27512284080).

Almost surely, 2^213220201434 is an apocalyptic number.

213220201434 is an abundant number, since it is smaller than the sum of its proper divisors (226976343846).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213220201434 is a wasteful number, since it uses less digits than its factorization.

213220201434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1146345205.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 213220201434 its reverse (434102022312), we get a palindrome (647322223746).

The spelling of 213220201434 in words is "two hundred thirteen billion, two hundred twenty million, two hundred one thousand, four hundred thirty-four".