200320021312 has 56 divisors (see below), whose sum is σ = 414878349312. Its totient is φ = 95785536000.

The previous prime is 200320021283. The next prime is 200320021331. The reversal of 200320021312 is 213120023002.

It is a super-2 number, since 2×200320021312² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9220062 + ... + 9241762.

It is an arithmetic number, because the mean of its divisors is an integer number (7408541952).

Almost surely, 2^200320021312 is an apocalyptic number.

It is an amenable number.

200320021312 is an abundant number, since it is smaller than the sum of its proper divisors (214558328000).

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

200320021312 is a wasteful number, since it uses less digits than its factorization.

200320021312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28007 (or 27997 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 200320021312 its reverse (213120023002), we get a palindrome (413440044314).

The spelling of 200320021312 in words is "two hundred billion, three hundred twenty million, twenty-one thousand, three hundred twelve".