24681980 has 12 divisors (see below), whose sum is σ = 51832200. Its totient is φ = 9872784.

The previous prime is 24681971. The next prime is 24681989. The reversal of 24681980 is 8918642.

It is an interprime number because it is at equal distance from previous prime (24681971) and next prime (24681989).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24681989) 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, 617030 + ... + 617069.

It is an arithmetic number, because the mean of its divisors is an integer number (4319350).

Almost surely, 2^24681980 is an apocalyptic number.

24681980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

24681980 is an abundant number, since it is smaller than the sum of its proper divisors (27150220).

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

24681980 is a wasteful number, since it uses less digits than its factorization.

24681980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1234108 (or 1234106 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 24681980 is about 4968.0962148493. The cubic root of 24681980 is about 291.1566175108.

The spelling of 24681980 in words is "twenty-four million, six hundred eighty-one thousand, nine hundred eighty".