24720080 has 80 divisors (see below), whose sum is σ = 71673984. Its totient is φ = 7703040.

The previous prime is 24720077. The next prime is 24720097. The reversal of 24720080 is 8002742.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×24720080² = 1222164710412800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4154 + ... + 8166.

Almost surely, 2^24720080 is an apocalyptic number.

24720080 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 24720080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35836992).

24720080 is an abundant number, since it is smaller than the sum of its proper divisors (46953904).

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

24720080 is a wasteful number, since it uses less digits than its factorization.

24720080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4044 (or 4038 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 24720080 is about 4971.9292030358. The cubic root of 24720080 is about 291.3063537979.

The spelling of 24720080 in words is "twenty-four million, seven hundred twenty thousand, eighty".