20207419 has 2 divisors, whose sum is σ = 20207420. Its totient is φ = 20207418.

The previous prime is 20207417. The next prime is 20207437. The reversal of 20207419 is 91470202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20207419 - 2¹ = 20207417 is a prime.

It is a super-2 number, since 2×20207419² = 816679565283122, which contains 22 as substring.

Together with 20207417, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 20207393 and 20207402.

It is not a weakly prime, because it can be changed into another prime (20207417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10103709 + 10103710.

It is an arithmetic number, because the mean of its divisors is an integer number (10103710).

Almost surely, 2^20207419 is an apocalyptic number.

20207419 is a deficient number, since it is larger than the sum of its proper divisors (1).

20207419 is an equidigital number, since it uses as much as digits as its factorization.

20207419 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 20207419 is about 4495.2662879967. The cubic root of 20207419 is about 272.3769059394.

The spelling of 20207419 in words is "twenty million, two hundred seven thousand, four hundred nineteen".