20204004122 has 32 divisors (see below), whose sum is σ = 32123467200. Its totient is φ = 9503827200.

The previous prime is 20204004101. The next prime is 20204004131. The reversal of 20204004122 is 22140040202.

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 20204004122.

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 15 ways as a sum of consecutive naturals, for example, 3467972 + ... + 3473792.

It is an arithmetic number, because the mean of its divisors is an integer number (1003858350).

Almost surely, 2^20204004122 is an apocalyptic number.

20204004122 is a deficient number, since it is larger than the sum of its proper divisors (11919463078).

20204004122 is a wasteful number, since it uses less digits than its factorization.

20204004122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6462.

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 20204004122 its reverse (22140040202), we get a palindrome (42344044324).

The spelling of 20204004122 in words is "twenty billion, two hundred four million, four thousand, one hundred twenty-two".