20304020143304 has 32 divisors (see below), whose sum is σ = 38191076423040. Its totient is φ = 10119742776000.

The previous prime is 20304020143283. The next prime is 20304020143313. The reversal of 20304020143304 is 40334102040302.

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, 16274129 + ... + 17477279.

It is an arithmetic number, because the mean of its divisors is an integer number (1193471138220).

Almost surely, 2^{20304020143304} is an apocalyptic number.

It is an amenable number.

20304020143304 is a deficient number, since it is larger than the sum of its proper divisors (17887056279736).

20304020143304 is a wasteful number, since it uses less digits than its factorization.

20304020143304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1209861 (or 1209857 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 20304020143304 its reverse (40334102040302), we get a palindrome (60638122183606).

The spelling of 20304020143304 in words is "twenty trillion, three hundred four billion, twenty million, one hundred forty-three thousand, three hundred four".