200409970 has 8 divisors (see below), whose sum is σ = 360737964. Its totient is φ = 80163984.

The previous prime is 200409959. The next prime is 200409973. The reversal of 200409970 is 79904002.

200409970 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 198894609 + 1515361 = 14103^2 + 1231^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (200409973) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10020489 + ... + 10020508.

Almost surely, 2^200409970 is an apocalyptic number.

200409970 is a deficient number, since it is larger than the sum of its proper divisors (160327994).

200409970 is a wasteful number, since it uses less digits than its factorization.

200409970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20041004.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 200409970 is about 14156.6228317350. The cubic root of 200409970 is about 585.2028614396.

The spelling of 200409970 in words is "two hundred million, four hundred nine thousand, nine hundred seventy".