20004304356526 has 16 divisors (see below), whose sum is σ = 36310333958496. Its totient is φ = 8068963101696.

The previous prime is 20004304356503. The next prime is 20004304356557. The reversal of 20004304356526 is 62565340340002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42025849251 + ... + 42025849726.

It is an arithmetic number, because the mean of its divisors is an integer number (2269395872406).

Almost surely, 2^{20004304356526} is an apocalyptic number.

20004304356526 is a deficient number, since it is larger than the sum of its proper divisors (16306029601970).

20004304356526 is a wasteful number, since it uses less digits than its factorization.

20004304356526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84051699003.

The product of its (nonzero) digits is 518400, while the sum is 40.

Adding to 20004304356526 its reverse (62565340340002), we get a palindrome (82569644696528).

The spelling of 20004304356526 in words is "twenty trillion, four billion, three hundred four million, three hundred fifty-six thousand, five hundred twenty-six".