20420004222419 has 4 divisors (see below), whose sum is σ = 20428932954144. Its totient is φ = 20411075490696.

The previous prime is 20420004222413. The next prime is 20420004222433. The reversal of 20420004222419 is 91422240002402.

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 20420004222419 - 2¹² = 20420004218323 is a prime.

It is a super-2 number, since 2×20420004222419² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20420004222413) 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, 4464362432 + ... + 4464367005.

It is an arithmetic number, because the mean of its divisors is an integer number (5107233238536).

Almost surely, 2^{20420004222419} is an apocalyptic number.

20420004222419 is a deficient number, since it is larger than the sum of its proper divisors (8928731725).

20420004222419 is an equidigital number, since it uses as much as digits as its factorization.

20420004222419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8928731724.

The product of its (nonzero) digits is 18432, while the sum is 32.

The spelling of 20420004222419 in words is "twenty trillion, four hundred twenty billion, four million, two hundred twenty-two thousand, four hundred nineteen".