20240400224200 has 72 divisors (see below), whose sum is σ = 50957303548950. Its totient is φ = 7473378531840.

The previous prime is 20240400224179. The next prime is 20240400224243. The reversal of 20240400224200 is 242200404202.

It is a happy number.

It can be written as a sum of positive squares in 9 ways, for example, as 621577713604 + 19618822510596 = 788402^2 + 4429314^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 299380405 + ... + 299448004.

Almost surely, 2^{20240400224200} is an apocalyptic number.

20240400224200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20240400224200 is an abundant number, since it is smaller than the sum of its proper divisors (30716903324750).

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

20240400224200 is a wasteful number, since it uses less digits than its factorization.

20240400224200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 598828451 (or 598828429 counting only the distinct ones).

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

Adding to 20240400224200 its reverse (242200404202), we get a palindrome (20482600628402).

The spelling of 20240400224200 in words is "twenty trillion, two hundred forty billion, four hundred million, two hundred twenty-four thousand, two hundred".