23020221300 has 72 divisors (see below), whose sum is σ = 66653088096. Its totient is φ = 6134309760.

The previous prime is 23020221277. The next prime is 23020221359. The reversal of 23020221300 is 312202032.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 23020221300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 401214 + ... + 454986.

Almost surely, 2^23020221300 is an apocalyptic number.

23020221300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23020221300 is an abundant number, since it is smaller than the sum of its proper divisors (43632866796).

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

23020221300 is a wasteful number, since it uses less digits than its factorization.

23020221300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55217 (or 55210 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 23020221300 its reverse (312202032), we get a palindrome (23332423332).

The spelling of 23020221300 in words is "twenty-three billion, twenty million, two hundred twenty-one thousand, three hundred".