200001320 has 32 divisors (see below), whose sum is σ = 456347520. Its totient is φ = 78872640.

The previous prime is 200001283. The next prime is 200001337. The reversal of 200001320 is 23100002.

It is a Harshad number since it is a multiple of its sum of digits (8).

200001320 is a modest number, since divided by 1320 gives 200 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 200001298 and 200001307.

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, 32372 + ... + 38051.

It is an arithmetic number, because the mean of its divisors is an integer number (14260860).

Almost surely, 2^200001320 is an apocalyptic number.

200001320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200001320 is an abundant number, since it is smaller than the sum of its proper divisors (256346200).

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

200001320 is a wasteful number, since it uses less digits than its factorization.

200001320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70505 (or 70501 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 200001320 is about 14142.1822927015. The cubic root of 200001320 is about 584.8048342075.

Adding to 200001320 its reverse (23100002), we get a palindrome (223101322).

The spelling of 200001320 in words is "two hundred million, one thousand, three hundred twenty".