20022192919 has 2 divisors, whose sum is σ = 20022192920. Its totient is φ = 20022192918.

The previous prime is 20022192917. The next prime is 20022192947. The reversal of 20022192919 is 91929122002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20022192919 - 2¹ = 20022192917 is a prime.

It is a super-2 number, since 2×20022192919² (a number of 21 digits) contains 22 as substring.

Together with 20022192917, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20022192917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10011096459 + 10011096460.

It is an arithmetic number, because the mean of its divisors is an integer number (10011096460).

Almost surely, 2^20022192919 is an apocalyptic number.

20022192919 is a deficient number, since it is larger than the sum of its proper divisors (1).

20022192919 is an equidigital number, since it uses as much as digits as its factorization.

20022192919 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 37.

The spelling of 20022192919 in words is "twenty billion, twenty-two million, one hundred ninety-two thousand, nine hundred nineteen".