20422002019 has 2 divisors, whose sum is σ = 20422002020. Its totient is φ = 20422002018.

The previous prime is 20422001989. The next prime is 20422002031. The reversal of 20422002019 is 91020022402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20422002019 - 2¹¹ = 20421999971 is a prime.

It is a super-2 number, since 2×20422002019² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20422002049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10211001009 + 10211001010.

It is an arithmetic number, because the mean of its divisors is an integer number (10211001010).

Almost surely, 2^20422002019 is an apocalyptic number.

20422002019 is a deficient number, since it is larger than the sum of its proper divisors (1).

20422002019 is an equidigital number, since it uses as much as digits as its factorization.

20422002019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 22.

The spelling of 20422002019 in words is "twenty billion, four hundred twenty-two million, two thousand, nineteen".