20043602 has 8 divisors (see below), whose sum is σ = 30128112. Its totient is φ = 10000900.

The previous prime is 20043599. The next prime is 20043619. The reversal of 20043602 is 20634002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×20043602² = 803491962268808, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9224 + ... + 11187.

It is an arithmetic number, because the mean of its divisors is an integer number (3766014).

Almost surely, 2^20043602 is an apocalyptic number.

20043602 is a deficient number, since it is larger than the sum of its proper divisors (10084510).

20043602 is a wasteful number, since it uses less digits than its factorization.

20043602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20904.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 20043602 is about 4477.0081527735. The cubic root of 20043602 is about 271.6388752146.

Adding to 20043602 its reverse (20634002), we get a palindrome (40677604).

The spelling of 20043602 in words is "twenty million, forty-three thousand, six hundred two".