23030213220 has 144 divisors (see below), whose sum is σ = 82795160448. Its totient is φ = 5264040960.

The previous prime is 23030213203. The next prime is 23030213221. The reversal of 23030213220 is 2231203032.

It is a happy number.

23030213220 is a `hidden beast` number, since 230 + 3 + 0 + 213 + 220 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 23030213193 and 23030213202.

It is not an unprimeable number, because it can be changed into a prime (23030213221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 304461 + ... + 372500.

It is an arithmetic number, because the mean of its divisors is an integer number (574966392).

Almost surely, 2^23030213220 is an apocalyptic number.

23030213220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23030213220 is an abundant number, since it is smaller than the sum of its proper divisors (59764947228).

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

23030213220 is a wasteful number, since it uses less digits than its factorization.

23030213220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676992 (or 676978 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 23030213220 its reverse (2231203032), we get a palindrome (25261416252).

The spelling of 23030213220 in words is "twenty-three billion, thirty million, two hundred thirteen thousand, two hundred twenty".