20419411 has 4 divisors (see below), whose sum is σ = 20665512. Its totient is φ = 20173312.

The previous prime is 20419403. The next prime is 20419417. The reversal of 20419411 is 11491402.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20419411 - 2³ = 20419403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20419417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122926 + ... + 123091.

It is an arithmetic number, because the mean of its divisors is an integer number (5166378).

Almost surely, 2^20419411 is an apocalyptic number.

20419411 is a deficient number, since it is larger than the sum of its proper divisors (246101).

20419411 is an equidigital number, since it uses as much as digits as its factorization.

20419411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246100.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 20419411 is about 4518.7842391511. The cubic root of 20419411 is about 273.3260783652.

The spelling of 20419411 in words is "twenty million, four hundred nineteen thousand, four hundred eleven".