213230213213220 has 288 divisors, whose sum is σ = 764908860119040. Its totient is φ = 47050805975040.

The previous prime is 213230213213203. The next prime is 213230213213239. The reversal of 213230213213220 is 22312312032312.

213230213213220 is a `hidden beast` number, since 2 + 1 + 3 + 2 + 302 + 1 + 32 + 1 + 322 + 0 = 666.

It is a super-2 number, since 2×213230213213220² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 9301894 + ... + 22649186.

It is an arithmetic number, because the mean of its divisors is an integer number (2655933542080).

Almost surely, 2^{213230213213220} is an apocalyptic number.

213230213213220 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 213230213213220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (382454430059520).

213230213213220 is an abundant number, since it is smaller than the sum of its proper divisors (551678646905820).

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

213230213213220 is a wasteful number, since it uses less digits than its factorization.

213230213213220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13347755 (or 13347750 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 213230213213220 its reverse (22312312032312), we get a palindrome (235542525245532).

The spelling of 213230213213220 in words is "two hundred thirteen trillion, two hundred thirty billion, two hundred thirteen million, two hundred thirteen thousand, two hundred twenty".