20494087538034 has 32 divisors (see below), whose sum is σ = 45344152719360. Its totient is φ = 6122860125200.

The previous prime is 20494087538027. The next prime is 20494087538101. The reversal of 20494087538034 is 43083578049402.

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 15 ways as a sum of consecutive naturals, for example, 2186731074 + ... + 2186740445.

It is an arithmetic number, because the mean of its divisors is an integer number (1417004772480).

Almost surely, 2^{20494087538034} is an apocalyptic number.

20494087538034 is an abundant number, since it is smaller than the sum of its proper divisors (24850065181326).

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

20494087538034 is a wasteful number, since it uses less digits than its factorization.

20494087538034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4373471606.

The product of its (nonzero) digits is 23224320, while the sum is 57.

The spelling of 20494087538034 in words is "twenty trillion, four hundred ninety-four billion, eighty-seven million, five hundred thirty-eight thousand, thirty-four".