20235004 has 24 divisors (see below), whose sum is σ = 37154880. Its totient is φ = 9631296.

The previous prime is 20234993. The next prime is 20235013. The reversal of 20235004 is 40053202.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 5502 + ... + 8410.

It is an arithmetic number, because the mean of its divisors is an integer number (1548120).

Almost surely, 2^20235004 is an apocalyptic number.

It is an amenable number.

20235004 is a deficient number, since it is larger than the sum of its proper divisors (16919876).

20235004 is a wasteful number, since it uses less digits than its factorization.

20235004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2997 (or 2995 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 20235004 is about 4498.3334691861. Note that the first 3 decimals coincide. The cubic root of 20235004 is about 272.5007894935.

Adding to 20235004 its reverse (40053202), we get a palindrome (60288206).

The spelling of 20235004 in words is "twenty million, two hundred thirty-five thousand, four".