200020404 has 48 divisors (see below), whose sum is σ = 472481856. Its totient is φ = 65856000.

The previous prime is 200020399. The next prime is 200020417. The reversal of 200020404 is 404020002.

200020404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 200020404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 498604 + ... + 499004.

It is an arithmetic number, because the mean of its divisors is an integer number (9843372).

Almost surely, 2^200020404 is an apocalyptic number.

It is an amenable number.

200020404 is an abundant number, since it is smaller than the sum of its proper divisors (272461452).

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

200020404 is a wasteful number, since it uses less digits than its factorization.

200020404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 816 (or 814 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 12.

The square root of 200020404 is about 14142.8569956710. The cubic root of 200020404 is about 584.8234341856.

Adding to 200020404 its reverse (404020002), we get a palindrome (604040406).

The spelling of 200020404 in words is "two hundred million, twenty thousand, four hundred four".