200820398 has 4 divisors (see below), whose sum is σ = 301230600. Its totient is φ = 100410198.

The previous prime is 200820391. The next prime is 200820407. The reversal of 200820398 is 893028002.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200820391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50205098 + ... + 50205101.

It is an arithmetic number, because the mean of its divisors is an integer number (75307650).

Almost surely, 2^200820398 is an apocalyptic number.

200820398 is a deficient number, since it is larger than the sum of its proper divisors (100410202).

200820398 is a wasteful number, since it uses less digits than its factorization.

200820398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100410201.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 200820398 is about 14171.1113890196. Note that the first 3 decimals coincide. The cubic root of 200820398 is about 585.6020762185.

The spelling of 200820398 in words is "two hundred million, eight hundred twenty thousand, three hundred ninety-eight".