23041420220 has 192 divisors, whose sum is σ = 65093124096. Its totient is φ = 6641602560.

The previous prime is 23041420187. The next prime is 23041420223. The reversal of 23041420220 is 2202414032.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 23041420192 and 23041420201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23041420223) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 947129 + ... + 971151.

It is an arithmetic number, because the mean of its divisors is an integer number (339026688).

Almost surely, 2^23041420220 is an apocalyptic number.

23041420220 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 23041420220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32546562048).

23041420220 is an abundant number, since it is smaller than the sum of its proper divisors (42051703876).

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

23041420220 is a wasteful number, since it uses less digits than its factorization.

23041420220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24100 (or 24098 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 23041420220 its reverse (2202414032), we get a palindrome (25243834252).

The spelling of 23041420220 in words is "twenty-three billion, forty-one million, four hundred twenty thousand, two hundred twenty".