11420204402 has 16 divisors (see below), whose sum is σ = 17337491640. Its totient is φ = 5641248768.

The previous prime is 11420204381. The next prime is 11420204447. The reversal of 11420204402 is 20440202411.

It can be written as a sum of positive squares in 4 ways, for example, as 6704498161 + 4715706241 = 81881^2 + 68671^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58658 + ... + 162114.

Almost surely, 2^11420204402 is an apocalyptic number.

11420204402 is a deficient number, since it is larger than the sum of its proper divisors (5917287238).

11420204402 is a wasteful number, since it uses less digits than its factorization.

11420204402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104125.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 11420204402 its reverse (20440202411), we get a palindrome (31860406813).

The spelling of 11420204402 in words is "eleven billion, four hundred twenty million, two hundred four thousand, four hundred two".