11430220402 has 16 divisors (see below), whose sum is σ = 18156061440. Its totient is φ = 5378280768.

The previous prime is 11430220381. The next prime is 11430220433. The reversal of 11430220402 is 20402203411.

It is a self number, because there is not a number n which added to its sum of digits gives 11430220402.

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, 384103 + ... + 412789.

It is an arithmetic number, because the mean of its divisors is an integer number (1134753840).

Almost surely, 2^11430220402 is an apocalyptic number.

11430220402 is a deficient number, since it is larger than the sum of its proper divisors (6725841038).

11430220402 is a wasteful number, since it uses less digits than its factorization.

11430220402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40425.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 11430220402 its reverse (20402203411), we get a palindrome (31832423813).

The spelling of 11430220402 in words is "eleven billion, four hundred thirty million, two hundred twenty thousand, four hundred two".