23032100220 has 48 divisors (see below), whose sum is σ = 65582939520. Its totient is φ = 6037792576.

The previous prime is 23032100209. The next prime is 23032100239. The reversal of 23032100220 is 2200123032.

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 23032100220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3249582 + ... + 3256661.

It is an arithmetic number, because the mean of its divisors is an integer number (1366311240).

Almost surely, 2^23032100220 is an apocalyptic number.

23032100220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23032100220 is an abundant number, since it is smaller than the sum of its proper divisors (42550839300).

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

23032100220 is a wasteful number, since it uses less digits than its factorization.

23032100220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6506314 (or 6506312 counting only the distinct ones).

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

Adding to 23032100220 its reverse (2200123032), we get a palindrome (25232223252).

The spelling of 23032100220 in words is "twenty-three billion, thirty-two million, one hundred thousand, two hundred twenty".