213220232030 has 48 divisors (see below), whose sum is σ = 439062361920. Its totient is φ = 74096429568.

The previous prime is 213220232009. The next prime is 213220232039. The reversal of 213220232030 is 30232022312.

It is a junction number, because it is equal to n+sod(n) for n = 213220231993 and 213220232011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213220232039) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2800070 + ... + 2875209.

It is an arithmetic number, because the mean of its divisors is an integer number (9147132540).

Almost surely, 2^213220232030 is an apocalyptic number.

213220232030 is an abundant number, since it is smaller than the sum of its proper divisors (225842129890).

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

213220232030 is a wasteful number, since it uses less digits than its factorization.

213220232030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5675333 (or 5675316 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 213220232030 its reverse (30232022312), we get a palindrome (243452254342).

The spelling of 213220232030 in words is "two hundred thirteen billion, two hundred twenty million, two hundred thirty-two thousand, thirty".