20004352513234 has 8 divisors (see below), whose sum is σ = 30037431480048. Its totient is φ = 9991875353220.

The previous prime is 20004352513213. The next prime is 20004352513237. The reversal of 20004352513234 is 43231525340002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 20004352513234.

It is not an unprimeable number, because it can be changed into a prime (20004352513237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5150449272 + ... + 5150453155.

It is an arithmetic number, because the mean of its divisors is an integer number (3754678935006).

Almost surely, 2^{20004352513234} is an apocalyptic number.

20004352513234 is a deficient number, since it is larger than the sum of its proper divisors (10033078966814).

20004352513234 is a wasteful number, since it uses less digits than its factorization.

20004352513234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10300903400.

The product of its (nonzero) digits is 86400, while the sum is 34.

Adding to 20004352513234 its reverse (43231525340002), we get a palindrome (63235877853236).

The spelling of 20004352513234 in words is "twenty trillion, four billion, three hundred fifty-two million, five hundred thirteen thousand, two hundred thirty-four".