200143321400 has 48 divisors (see below), whose sum is σ = 507636248040. Its totient is φ = 72779388800.

The previous prime is 200143321379. The next prime is 200143321403. The reversal of 200143321400 is 4123341002.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200143321403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45484919 + ... + 45489318.

Almost surely, 2^200143321400 is an apocalyptic number.

200143321400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200143321400 is an abundant number, since it is smaller than the sum of its proper divisors (307492926640).

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

200143321400 is a wasteful number, since it uses less digits than its factorization.

200143321400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90974264 (or 90974255 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 200143321400 its reverse (4123341002), we get a palindrome (204266662402).

The spelling of 200143321400 in words is "two hundred billion, one hundred forty-three million, three hundred twenty-one thousand, four hundred".