19420041 has 4 divisors (see below), whose sum is σ = 25893392. Its totient is φ = 12946692.

The previous prime is 19420031. The next prime is 19420061. The reversal of 19420041 is 14002491.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 19420041 - 2⁷ = 19419913 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (19420031) 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, 3236671 + ... + 3236676.

It is an arithmetic number, because the mean of its divisors is an integer number (6473348).

Almost surely, 2^19420041 is an apocalyptic number.

It is an amenable number.

19420041 is a deficient number, since it is larger than the sum of its proper divisors (6473351).

19420041 is an equidigital number, since it uses as much as digits as its factorization.

19420041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6473350.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 19420041 is about 4406.8175591917. The cubic root of 19420041 is about 268.7922323391.

The spelling of 19420041 in words is "nineteen million, four hundred twenty thousand, forty-one".