20422514423 has 2 divisors, whose sum is σ = 20422514424. Its totient is φ = 20422514422.

The previous prime is 20422514377. The next prime is 20422514461. The reversal of 20422514423 is 32441522402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20422514423 - 2¹⁰ = 20422513399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20422516423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10211257211 + 10211257212.

It is an arithmetic number, because the mean of its divisors is an integer number (10211257212).

Almost surely, 2^20422514423 is an apocalyptic number.

20422514423 is a deficient number, since it is larger than the sum of its proper divisors (1).

20422514423 is an equidigital number, since it uses as much as digits as its factorization.

20422514423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15360, while the sum is 29.

The spelling of 20422514423 in words is "twenty billion, four hundred twenty-two million, five hundred fourteen thousand, four hundred twenty-three".