20354847794814 has 32 divisors (see below), whose sum is σ = 44369418006144. Its totient is φ = 6187571894880.

The previous prime is 20354847794807. The next prime is 20354847794843. The reversal of 20354847794814 is 41849774845302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1572039232 + ... + 1572052179.

It is an arithmetic number, because the mean of its divisors is an integer number (1386544312692).

Almost surely, 2^{20354847794814} is an apocalyptic number.

20354847794814 is an abundant number, since it is smaller than the sum of its proper divisors (24014570211330).

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

20354847794814 is a wasteful number, since it uses less digits than its factorization.

20354847794814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3144091512.

The product of its (nonzero) digits is 216760320, while the sum is 66.

The spelling of 20354847794814 in words is "twenty trillion, three hundred fifty-four billion, eight hundred forty-seven million, seven hundred ninety-four thousand, eight hundred fourteen".