24204202420 has 48 divisors (see below), whose sum is σ = 51425913168. Its totient is φ = 9568235520.

The previous prime is 24204202409. The next prime is 24204202439. The reversal of 24204202420 is 2420240242.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 6197783076 + 18006419344 = 78726^2 + 134188^2 .

It is a junction number, because it is equal to n+sod(n) for n = 24204202391 and 24204202400.

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, 1413510 + ... + 1430530.

It is an arithmetic number, because the mean of its divisors is an integer number (1071373191).

Almost surely, 2^24204202420 is an apocalyptic number.

24204202420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

24204202420 is an abundant number, since it is smaller than the sum of its proper divisors (27221710748).

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

24204202420 is a wasteful number, since it uses less digits than its factorization.

24204202420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17860 (or 17858 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 24204202420 its reverse (2420240242), we get a palindrome (26624442662).

The spelling of 24204202420 in words is "twenty-four billion, two hundred four million, two hundred two thousand, four hundred twenty".