20073845766256 has 40 divisors (see below), whose sum is σ = 40942400389200. Its totient is φ = 9508124897280.

The previous prime is 20073845766179. The next prime is 20073845766367. The reversal of 20073845766256 is 65266754837002.

It is a junction number, because it is equal to n+sod(n) for n = 20073845766194 and 20073845766203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3527346 + ... + 7251886.

It is an arithmetic number, because the mean of its divisors is an integer number (1023560009730).

Almost surely, 2^{20073845766256} is an apocalyptic number.

It is an amenable number.

20073845766256 is an abundant number, since it is smaller than the sum of its proper divisors (20868554622944).

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

20073845766256 is a wasteful number, since it uses less digits than its factorization.

20073845766256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3742297 (or 3742291 counting only the distinct ones).

The product of its (nonzero) digits is 101606400, while the sum is 61.

The spelling of 20073845766256 in words is "twenty trillion, seventy-three billion, eight hundred forty-five million, seven hundred sixty-six thousand, two hundred fifty-six".