20344627744411 has 16 divisors (see below), whose sum is σ = 21412170671584. Its totient is φ = 19305699646464.

The previous prime is 20344627744319. The next prime is 20344627744421. The reversal of 20344627744411 is 11444772644302.

It is a cyclic number.

It is not a de Polignac number, because 20344627744411 - 2⁷ = 20344627744283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20344627744421) 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, 8429496 + ... + 10570981.

It is an arithmetic number, because the mean of its divisors is an integer number (1338260666974).

Almost surely, 2^{20344627744411} is an apocalyptic number.

20344627744411 is a deficient number, since it is larger than the sum of its proper divisors (1067542927173).

20344627744411 is a wasteful number, since it uses less digits than its factorization.

20344627744411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19001230.

The product of its (nonzero) digits is 3612672, while the sum is 49.

The spelling of 20344627744411 in words is "twenty trillion, three hundred forty-four billion, six hundred twenty-seven million, seven hundred forty-four thousand, four hundred eleven".