213304244043020 has 96 divisors (see below), whose sum is σ = 484004931379200. Its totient is φ = 78495807124224.

The previous prime is 213304244043019. The next prime is 213304244043029. The reversal of 213304244043020 is 20340442403312.

It is a super-2 number, since 2×213304244043020² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (213304244043029) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1091760101 + ... + 1091955459.

It is an arithmetic number, because the mean of its divisors is an integer number (5041718035200).

Almost surely, 2^{213304244043020} is an apocalyptic number.

213304244043020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213304244043020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (242002465689600).

213304244043020 is an abundant number, since it is smaller than the sum of its proper divisors (270700687336180).

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

213304244043020 is a wasteful number, since it uses less digits than its factorization.

213304244043020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209367 (or 209365 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 213304244043020 its reverse (20340442403312), we get a palindrome (233644686446332).

The spelling of 213304244043020 in words is "two hundred thirteen trillion, three hundred four billion, two hundred forty-four million, forty-three thousand, twenty".