200421314331400 has 48 divisors (see below), whose sum is σ = 466178778608400. Its totient is φ = 80134250844480.

The previous prime is 200421314331397. The next prime is 200421314331401. The reversal of 200421314331400 is 4133413124002.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (200421314331401) 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, 213749082 + ... + 214684681.

It is an arithmetic number, because the mean of its divisors is an integer number (9712057887675).

Almost surely, 2^{200421314331400} is an apocalyptic number.

200421314331400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200421314331400 is an abundant number, since it is smaller than the sum of its proper divisors (265757464277000).

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

200421314331400 is a wasteful number, since it uses less digits than its factorization.

200421314331400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428436118 (or 428436109 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 200421314331400 its reverse (4133413124002), we get a palindrome (204554727455402).

The spelling of 200421314331400 in words is "two hundred trillion, four hundred twenty-one billion, three hundred fourteen million, three hundred thirty-one thousand, four hundred".