20403114204304 has 120 divisors (see below), whose sum is σ = 45121480790400. Its totient is φ = 8908775815680.

The previous prime is 20403114204269. The next prime is 20403114204349. The reversal of 20403114204304 is 40340241130402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36663174 + ... + 37215514.

It is an arithmetic number, because the mean of its divisors is an integer number (376012339920).

Almost surely, 2^{20403114204304} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20403114204304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22560740395200).

20403114204304 is an abundant number, since it is smaller than the sum of its proper divisors (24718366586096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20403114204304 is a wasteful number, since it uses less digits than its factorization.

20403114204304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553113 (or 553094 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 20403114204304 its reverse (40340241130402), we get a palindrome (60743355334706).

The spelling of 20403114204304 in words is "twenty trillion, four hundred three billion, one hundred fourteen million, two hundred four thousand, three hundred four".