20023047704677 has 16 divisors (see below), whose sum is σ = 20715360719872. Its totient is φ = 19333681551360.

The previous prime is 20023047704657. The next prime is 20023047704687. The reversal of 20023047704677 is 77640774032002.

It is a cyclic number.

It is not a de Polignac number, because 20023047704677 - 2⁷ = 20023047704549 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20023047704677.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20023047704657) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25599883 + ... + 26370439.

It is an arithmetic number, because the mean of its divisors is an integer number (1294710044992).

Almost surely, 2^{20023047704677} is an apocalyptic number.

It is an amenable number.

20023047704677 is a deficient number, since it is larger than the sum of its proper divisors (692313015195).

20023047704677 is a wasteful number, since it uses less digits than its factorization.

20023047704677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 772468.

The product of its (nonzero) digits is 2765952, while the sum is 49.

The spelling of 20023047704677 in words is "twenty trillion, twenty-three billion, forty-seven million, seven hundred four thousand, six hundred seventy-seven".