19802024 has 16 divisors (see below), whose sum is σ = 40504320. Its totient is φ = 9000880.

The previous prime is 19802023. The next prime is 19802033. The reversal of 19802024 is 42020891.

It is a junction number, because it is equal to n+sod(n) for n = 19801984 and 19802002.

It is not an unprimeable number, because it can be changed into a prime (19802021) 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, 112424 + ... + 112599.

It is an arithmetic number, because the mean of its divisors is an integer number (2531520).

Almost surely, 2^19802024 is an apocalyptic number.

It is an amenable number.

19802024 is an abundant number, since it is smaller than the sum of its proper divisors (20702296).

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

19802024 is a wasteful number, since it uses less digits than its factorization.

19802024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225040 (or 225036 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 19802024 is about 4449.9465165325. The cubic root of 19802024 is about 270.5431407784.

It can be divided in two parts, 1980 and 2024, that added together give a palindrome (4004).

The spelling of 19802024 in words is "nineteen million, eight hundred two thousand, twenty-four".