200970918 has 24 divisors (see below), whose sum is σ = 454369968. Its totient is φ = 64077552.

The previous prime is 200970907. The next prime is 200970943. The reversal of 200970918 is 819079002.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 242305 + ... + 243132.

It is an arithmetic number, because the mean of its divisors is an integer number (18932082).

Almost surely, 2^200970918 is an apocalyptic number.

200970918 is an abundant number, since it is smaller than the sum of its proper divisors (253399050).

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

200970918 is a wasteful number, since it uses less digits than its factorization.

200970918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485468 (or 485465 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

The square root of 200970918 is about 14176.4211985959. The cubic root of 200970918 is about 585.7483475673.

It can be divided in two parts, 2009 and 70918, that added together give a palindrome (72927).

The spelling of 200970918 in words is "two hundred million, nine hundred seventy thousand, nine hundred eighteen".