24139020 has 48 divisors (see below), whose sum is σ = 69924960. Its totient is φ = 6214656.

The previous prime is 24139007. The next prime is 24139021. The reversal of 24139020 is 2093142.

It is not an unprimeable number, because it can be changed into a prime (24139021) 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, 5197 + ... + 8676.

It is an arithmetic number, because the mean of its divisors is an integer number (1456770).

Almost surely, 2^24139020 is an apocalyptic number.

24139020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

24139020 is an abundant number, since it is smaller than the sum of its proper divisors (45785940).

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

24139020 is a wasteful number, since it uses less digits than its factorization.

24139020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13914 (or 13912 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 24139020 is about 4913.1476672292. The cubic root of 24139020 is about 289.0057908427.

The spelling of 24139020 in words is "twenty-four million, one hundred thirty-nine thousand, twenty".