20814411 has 8 divisors (see below), whose sum is σ = 27971584. Its totient is φ = 13766760.

The previous prime is 20814403. The next prime is 20814439. The reversal of 20814411 is 11441802.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20814411 - 2³ = 20814403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20814811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26935 + ... + 27696.

It is an arithmetic number, because the mean of its divisors is an integer number (3496448).

Almost surely, 2^20814411 is an apocalyptic number.

20814411 is a deficient number, since it is larger than the sum of its proper divisors (7157173).

20814411 is a wasteful number, since it uses less digits than its factorization.

20814411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54761.

The product of its (nonzero) digits is 256, while the sum is 21.

The square root of 20814411 is about 4562.2813372259. The cubic root of 20814411 is about 275.0772719493.

The spelling of 20814411 in words is "twenty million, eight hundred fourteen thousand, four hundred eleven".