200120274 has 32 divisors (see below), whose sum is σ = 468120000. Its totient is φ = 63195552.

The previous prime is 200120273. The next prime is 200120279. The reversal of 200120274 is 472021002.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (200120273) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96499 + ... + 98550.

It is an arithmetic number, because the mean of its divisors is an integer number (14628750).

Almost surely, 2^200120274 is an apocalyptic number.

200120274 is an abundant number, since it is smaller than the sum of its proper divisors (267999726).

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

200120274 is a wasteful number, since it uses less digits than its factorization.

200120274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195079 (or 195073 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 200120274 is about 14146.3873126675. The cubic root of 200120274 is about 584.9207519211.

Adding to 200120274 its reverse (472021002), we get a palindrome (672141276).

The spelling of 200120274 in words is "two hundred million, one hundred twenty thousand, two hundred seventy-four".