23720060 has 48 divisors (see below), whose sum is σ = 61311936. Its totient is φ = 7506432.

The previous prime is 23720027. The next prime is 23720063. The reversal of 23720060 is 6002732.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23720063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4697 + ... + 8336.

It is an arithmetic number, because the mean of its divisors is an integer number (1277332).

Almost surely, 2^23720060 is an apocalyptic number.

23720060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23720060 is an abundant number, since it is smaller than the sum of its proper divisors (37591876).

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

23720060 is a wasteful number, since it uses less digits than its factorization.

23720060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13062 (or 13060 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 23720060 is about 4870.3244245122. The cubic root of 23720060 is about 287.3240158022.

Adding to 23720060 its reverse (6002732), we get a palindrome (29722792).

The spelling of 23720060 in words is "twenty-three million, seven hundred twenty thousand, sixty".