23052220 has 24 divisors (see below), whose sum is σ = 49972608. Its totient is φ = 8923200.

The previous prime is 23052203. The next prime is 23052223. The reversal of 23052220 is 2225032.

It is a junction number, because it is equal to n+sod(n) for n = 23052194 and 23052203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23052223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17971 + ... + 19210.

It is an arithmetic number, because the mean of its divisors is an integer number (2082192).

Almost surely, 2^23052220 is an apocalyptic number.

23052220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23052220 is an abundant number, since it is smaller than the sum of its proper divisors (26920388).

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

23052220 is a wasteful number, since it uses less digits than its factorization.

23052220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37221 (or 37219 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 23052220 is about 4801.2727479284. The cubic root of 23052220 is about 284.6017624542.

Adding to 23052220 its reverse (2225032), we get a palindrome (25277252).

The spelling of 23052220 in words is "twenty-three million, fifty-two thousand, two hundred twenty".