20354211227774 has 16 divisors (see below), whose sum is σ = 32138856438480. Its totient is φ = 9641280021120.

The previous prime is 20354211227741. The next prime is 20354211227803. The reversal of 20354211227774 is 47772211245302.

It is a Curzon number.

It is a congruent number.

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, 3255467 + ... + 7162854.

It is an arithmetic number, because the mean of its divisors is an integer number (2008678527405).

Almost surely, 2^{20354211227774} is an apocalyptic number.

20354211227774 is a deficient number, since it is larger than the sum of its proper divisors (11784645210706).

20354211227774 is a wasteful number, since it uses less digits than its factorization.

20354211227774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10469755.

The product of its (nonzero) digits is 1317120, while the sum is 47.

The spelling of 20354211227774 in words is "twenty trillion, three hundred fifty-four billion, two hundred eleven million, two hundred twenty-seven thousand, seven hundred seventy-four".