200402402 has 4 divisors (see below), whose sum is σ = 300603606. Its totient is φ = 100201200.

The previous prime is 200402401. The next prime is 200402413. The reversal of 200402402 is 204204002.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 116661601 + 83740801 = 10801^2 + 9151^2 .

It is a super-2 number, since 2×200402402² = 80322245454739208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (200402401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50100599 + ... + 50100602.

Almost surely, 2^200402402 is an apocalyptic number.

200402402 is a deficient number, since it is larger than the sum of its proper divisors (100201204).

200402402 is a wasteful number, since it uses less digits than its factorization.

200402402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100201203.

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 200402402 is about 14156.3555338230. The cubic root of 200402402 is about 585.1954950879.

Adding to 200402402 its reverse (204204002), we get a palindrome (404606404).

The spelling of 200402402 in words is "two hundred million, four hundred two thousand, four hundred two".