24799420 has 12 divisors (see below), whose sum is σ = 52078824. Its totient is φ = 9919760.

The previous prime is 24799393. The next prime is 24799421. The reversal of 24799420 is 2499742.

It is a super-2 number, since 2×24799420² = 1230022464672800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 24799420.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24799421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 619966 + ... + 620005.

It is an arithmetic number, because the mean of its divisors is an integer number (4339902).

Almost surely, 2^24799420 is an apocalyptic number.

24799420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

24799420 is an abundant number, since it is smaller than the sum of its proper divisors (27279404).

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

24799420 is a wasteful number, since it uses less digits than its factorization.

24799420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1239980 (or 1239978 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 24799420 is about 4979.9016054537. The cubic root of 24799420 is about 291.6176737663.

The spelling of 24799420 in words is "twenty-four million, seven hundred ninety-nine thousand, four hundred twenty".