20473419 has 4 divisors (see below), whose sum is σ = 27297896. Its totient is φ = 13648944.

The previous prime is 20473399. The next prime is 20473421. The reversal of 20473419 is 91437402.

It is a happy number.

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

It is not a de Polignac number, because 20473419 - 2⁷ = 20473291 is a prime.

It is a super-2 number, since 2×20473419² = 838321771099122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20473429) 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, 3412234 + ... + 3412239.

It is an arithmetic number, because the mean of its divisors is an integer number (6824474).

Almost surely, 2^20473419 is an apocalyptic number.

20473419 is a deficient number, since it is larger than the sum of its proper divisors (6824477).

20473419 is an equidigital number, since it uses as much as digits as its factorization.

20473419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6824476.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 20473419 is about 4524.7562365281. The cubic root of 20473419 is about 273.5668427253.

The spelling of 20473419 in words is "twenty million, four hundred seventy-three thousand, four hundred nineteen".