200120546 has 4 divisors (see below), whose sum is σ = 300180822. Its totient is φ = 100060272.

The previous prime is 200120537. The next prime is 200120551. The reversal of 200120546 is 645021002.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 645021002 = 2 ⋅322510501.

It can be written as a sum of positive squares in only one way, i.e., 176491225 + 23629321 = 13285^2 + 4861^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50030135 + ... + 50030138.

Almost surely, 2^200120546 is an apocalyptic number.

200120546 is a deficient number, since it is larger than the sum of its proper divisors (100060276).

200120546 is a wasteful number, since it uses less digits than its factorization.

200120546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100060275.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 200120546 is about 14146.3969264262. The cubic root of 200120546 is about 584.9210169257.

Adding to 200120546 its reverse (645021002), we get a palindrome (845141548).

The spelling of 200120546 in words is "two hundred million, one hundred twenty thousand, five hundred forty-six".