213323424220 has 24 divisors (see below), whose sum is σ = 457510665024. Its totient is φ = 83513850816.

The previous prime is 213323424203. The next prime is 213323424229. The reversal of 213323424220 is 22424323312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213323424229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113468967 + ... + 113470846.

It is an arithmetic number, because the mean of its divisors is an integer number (19062944376).

Almost surely, 2^213323424220 is an apocalyptic number.

213323424220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213323424220 is an abundant number, since it is smaller than the sum of its proper divisors (244187240804).

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

213323424220 is a wasteful number, since it uses less digits than its factorization.

213323424220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226939869 (or 226939867 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 213323424220 its reverse (22424323312), we get a palindrome (235747747532).

The spelling of 213323424220 in words is "two hundred thirteen billion, three hundred twenty-three million, four hundred twenty-four thousand, two hundred twenty".