23020213320 has 288 divisors, whose sum is σ = 84540905280. Its totient is φ = 5419814400.

The previous prime is 23020213309. The next prime is 23020213361. The reversal of 23020213320 is 2331202032.

It is a happy number.

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 = 23020213293 and 23020213302.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1391095 + ... + 1407545.

It is an arithmetic number, because the mean of its divisors is an integer number (293544810).

Almost surely, 2^23020213320 is an apocalyptic number.

23020213320 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 23020213320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42270452640).

23020213320 is an abundant number, since it is smaller than the sum of its proper divisors (61520691960).

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

23020213320 is a wasteful number, since it uses less digits than its factorization.

23020213320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16517 (or 16497 counting only the distinct ones).

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

Adding to 23020213320 its reverse (2331202032), we get a palindrome (25351415352).

The spelling of 23020213320 in words is "twenty-three billion, twenty million, two hundred thirteen thousand, three hundred twenty".