11233020402 has 48 divisors (see below), whose sum is σ = 26466379992. Its totient is φ = 3428835840.

The previous prime is 11233020373. The next prime is 11233020413. The reversal of 11233020402 is 20402033211.

11233020402 is a `hidden beast` number, since 11 + 233 + 0 + 20 + 402 = 666.

11233020402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 10059889401 + 1173131001 = 100299^2 + 34251^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

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 in 23 ways as a sum of consecutive naturals, for example, 484749 + ... + 507392.

Almost surely, 2^11233020402 is an apocalyptic number.

11233020402 is an abundant number, since it is smaller than the sum of its proper divisors (15233359590).

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

11233020402 is a wasteful number, since it uses less digits than its factorization.

11233020402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 992203 (or 992200 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 11233020402 its reverse (20402033211), we get a palindrome (31635053613).

The spelling of 11233020402 in words is "eleven billion, two hundred thirty-three million, twenty thousand, four hundred two".