200240242400 has 72 divisors (see below), whose sum is σ = 533276196264. Its totient is φ = 72814630400.

The previous prime is 200240242399. The next prime is 200240242421. The reversal of 200240242400 is 4242042002.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 11368487 + ... + 11386086.

It is an arithmetic number, because the mean of its divisors is an integer number (7406613837).

Almost surely, 2^200240242400 is an apocalyptic number.

200240242400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200240242400 is an abundant number, since it is smaller than the sum of its proper divisors (333035953864).

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

200240242400 is a wasteful number, since it uses less digits than its factorization.

200240242400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22754604 (or 22754591 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 200240242400 its reverse (4242042002), we get a palindrome (204482284402).

The spelling of 200240242400 in words is "two hundred billion, two hundred forty million, two hundred forty-two thousand, four hundred".