20203422287519 has 2 divisors, whose sum is σ = 20203422287520. Its totient is φ = 20203422287518.

The previous prime is 20203422287483. The next prime is 20203422287563. The reversal of 20203422287519 is 91578222430202.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20203422287519 is a prime.

It is a super-2 number, since 2×20203422287519² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20203422287579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10101711143759 + 10101711143760.

It is an arithmetic number, because the mean of its divisors is an integer number (10101711143760).

Almost surely, 2^{20203422287519} is an apocalyptic number.

20203422287519 is a deficient number, since it is larger than the sum of its proper divisors (1).

20203422287519 is an equidigital number, since it uses as much as digits as its factorization.

20203422287519 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 967680, while the sum is 47.

The spelling of 20203422287519 in words is "twenty trillion, two hundred three billion, four hundred twenty-two million, two hundred eighty-seven thousand, five hundred nineteen".