213303003220 has 96 divisors (see below), whose sum is σ = 455641200000. Its totient is φ = 83869767168.

The previous prime is 213303003203. The next prime is 213303003227. The reversal of 213303003220 is 22300303312.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213303003227) 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 31 ways as a sum of consecutive naturals, for example, 173557566 + ... + 173558794.

It is an arithmetic number, because the mean of its divisors is an integer number (4746262500).

Almost surely, 2^213303003220 is an apocalyptic number.

213303003220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213303003220 is an abundant number, since it is smaller than the sum of its proper divisors (242338196780).

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

213303003220 is a wasteful number, since it uses less digits than its factorization.

213303003220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1945 (or 1943 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 213303003220 its reverse (22300303312), we get a palindrome (235603306532).

The spelling of 213303003220 in words is "two hundred thirteen billion, three hundred three million, three thousand, two hundred twenty".