24120140 has 36 divisors (see below), whose sum is σ = 55681248. Its totient is φ = 8770080.

The previous prime is 24120097. The next prime is 24120143. The reversal of 24120140 is 4102142.

24120140 = 161² + 162² + ... + 424².

It is not an unprimeable number, because it can be changed into a prime (24120143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2564 + ... + 7403.

Almost surely, 2^24120140 is an apocalyptic number.

24120140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

24120140 is an abundant number, since it is smaller than the sum of its proper divisors (31561108).

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

24120140 is a wasteful number, since it uses less digits than its factorization.

24120140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9998 (or 9985 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 24120140 is about 4911.2259162046. The cubic root of 24120140 is about 288.9304238987.

Adding to 24120140 its reverse (4102142), we get a palindrome (28222282).

The spelling of 24120140 in words is "twenty-four million, one hundred twenty thousand, one hundred forty".