213230120 has 64 divisors (see below), whose sum is σ = 494778240. Its totient is φ = 82656000.

The previous prime is 213230119. The next prime is 213230123. The reversal of 213230120 is 21032312.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 213230095 and 213230104.

It is not an unprimeable number, because it can be changed into a prime (213230123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 259310 + ... + 260130.

It is an arithmetic number, because the mean of its divisors is an integer number (7730910).

Almost surely, 2^213230120 is an apocalyptic number.

213230120 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 213230120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (247389120).

213230120 is an abundant number, since it is smaller than the sum of its proper divisors (281548120).

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

213230120 is a wasteful number, since it uses less digits than its factorization.

213230120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1026 (or 1022 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 213230120 is about 14602.4011724100. The cubic root of 213230120 is about 597.4242546792.

Adding to 213230120 its reverse (21032312), we get a palindrome (234262432).

The spelling of 213230120 in words is "two hundred thirteen million, two hundred thirty thousand, one hundred twenty".