214020304402 has 4 divisors (see below), whose sum is σ = 321030456606. Its totient is φ = 107010152200.

The previous prime is 214020304391. The next prime is 214020304417. The reversal of 214020304402 is 204403020412.

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., 178201335321 + 35818969081 = 422139^2 + 189259^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53505076099 + ... + 53505076102.

Almost surely, 2^214020304402 is an apocalyptic number.

214020304402 is a deficient number, since it is larger than the sum of its proper divisors (107010152204).

214020304402 is a wasteful number, since it uses less digits than its factorization.

214020304402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107010152203.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 214020304402 its reverse (204403020412), we get a palindrome (418423324814).

The spelling of 214020304402 in words is "two hundred fourteen billion, twenty million, three hundred four thousand, four hundred two".