20023304034004 has 12 divisors (see below), whose sum is σ = 35042818369300. Its totient is φ = 10011070214208.

The previous prime is 20023304033987. The next prime is 20023304034047. The reversal of 20023304034004 is 40043040332002.

It can be written as a sum of positive squares in 2 ways, for example, as 6101838636100 + 13921465397904 = 2470190^2 + 3731148^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20023304034004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145373259 + ... + 145510930.

Almost surely, 2^{20023304034004} is an apocalyptic number.

It is an amenable number.

20023304034004 is a deficient number, since it is larger than the sum of its proper divisors (15019514335296).

20023304034004 is a wasteful number, since it uses less digits than its factorization.

20023304034004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290901402 (or 290901400 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 25.

Adding to 20023304034004 its reverse (40043040332002), we get a palindrome (60066344366006).

The spelling of 20023304034004 in words is "twenty trillion, twenty-three billion, three hundred four million, thirty-four thousand, four".