24020172 has 48 divisors (see below), whose sum is σ = 67939200. Its totient is φ = 7278480.

The previous prime is 24020159. The next prime is 24020177. The reversal of 24020172 is 27102042.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (24020177) 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, 8922 + ... + 11297.

It is an arithmetic number, because the mean of its divisors is an integer number (1415400).

Almost surely, 2^24020172 is an apocalyptic number.

24020172 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

24020172 is an abundant number, since it is smaller than the sum of its proper divisors (43919028).

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

24020172 is a wasteful number, since it uses less digits than its factorization.

24020172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20243 (or 20235 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 24020172 is about 4901.0378492723. The cubic root of 24020172 is about 288.5307054816.

The spelling of 24020172 in words is "twenty-four million, twenty thousand, one hundred seventy-two".