20219759023 has 2 divisors, whose sum is σ = 20219759024. Its totient is φ = 20219759022.

The previous prime is 20219759003. The next prime is 20219759089. The reversal of 20219759023 is 32095791202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20219759023 - 2⁵ = 20219758991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20219759003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10109879511 + 10109879512.

It is an arithmetic number, because the mean of its divisors is an integer number (10109879512).

Almost surely, 2^20219759023 is an apocalyptic number.

20219759023 is a deficient number, since it is larger than the sum of its proper divisors (1).

20219759023 is an equidigital number, since it uses as much as digits as its factorization.

20219759023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 68040, while the sum is 40.

The spelling of 20219759023 in words is "twenty billion, two hundred nineteen million, seven hundred fifty-nine thousand, twenty-three".