213320132016 has 40 divisors (see below), whose sum is σ = 553363664304. Its totient is φ = 70811658240.

The previous prime is 213320131993. The next prime is 213320132017. The reversal of 213320132016 is 610231023312.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (213320132017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9208701 + ... + 9231836.

Almost surely, 2^213320132016 is an apocalyptic number.

It is an amenable number.

213320132016 is an abundant number, since it is smaller than the sum of its proper divisors (340043532288).

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

213320132016 is a wasteful number, since it uses less digits than its factorization.

213320132016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18440789 (or 18440783 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 213320132016 its reverse (610231023312), we get a palindrome (823551155328).

The spelling of 213320132016 in words is "two hundred thirteen billion, three hundred twenty million, one hundred thirty-two thousand, sixteen".