213003021320 has 64 divisors (see below), whose sum is σ = 481108273920. Its totient is φ = 84872548864.

The previous prime is 213003021307. The next prime is 213003021337. The reversal of 213003021320 is 23120300312.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 15302684 + ... + 15316596.

It is an arithmetic number, because the mean of its divisors is an integer number (7517316780).

Almost surely, 2^213003021320 is an apocalyptic number.

213003021320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213003021320 is an abundant number, since it is smaller than the sum of its proper divisors (268105252600).

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

213003021320 is a wasteful number, since it uses less digits than its factorization.

213003021320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15374 (or 15370 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 213003021320 its reverse (23120300312), we get a palindrome (236123321632).

The spelling of 213003021320 in words is "two hundred thirteen billion, three million, twenty-one thousand, three hundred twenty".