202434120400 has 60 divisors (see below), whose sum is σ = 487323100000. Its totient is φ = 80811296640.

The previous prime is 202434120377. The next prime is 202434120457. The reversal of 202434120400 is 4021434202.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 307500 + ... + 706699.

Almost surely, 2^202434120400 is an apocalyptic number.

202434120400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202434120400 is an abundant number, since it is smaller than the sum of its proper divisors (284888979600).

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

202434120400 is a wasteful number, since it uses less digits than its factorization.

202434120400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1014716 (or 1014705 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 202434120400 its reverse (4021434202), we get a palindrome (206455554602).

The spelling of 202434120400 in words is "two hundred two billion, four hundred thirty-four million, one hundred twenty thousand, four hundred".