20204002 has 32 divisors (see below), whose sum is σ = 38513664. Its totient is φ = 7732800.

The previous prime is 20203969. The next prime is 20204003. The reversal of 20204002 is 20040202.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 20204002.

It is not an unprimeable number, because it can be changed into a prime (20204003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3852 + ... + 7432.

It is an arithmetic number, because the mean of its divisors is an integer number (1203552).

Almost surely, 2^20204002 is an apocalyptic number.

20204002 is a deficient number, since it is larger than the sum of its proper divisors (18309662).

20204002 is a wasteful number, since it uses less digits than its factorization.

20204002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3634.

The product of its (nonzero) digits is 32, while the sum is 10.

The square root of 20204002 is about 4494.8862054562. The cubic root of 20204002 is about 272.3615524306.

Adding to 20204002 its reverse (20040202), we get a palindrome (40244204).

The spelling of 20204002 in words is "twenty million, two hundred four thousand, two".