20523773119 has 2 divisors, whose sum is σ = 20523773120. Its totient is φ = 20523773118.

The previous prime is 20523773093. The next prime is 20523773129. The reversal of 20523773119 is 91137732502.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20523773119 - 2⁵ = 20523773087 is a prime.

It is a super-2 number, since 2×20523773119² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20523773129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10261886559 + 10261886560.

It is an arithmetic number, because the mean of its divisors is an integer number (10261886560).

Almost surely, 2^20523773119 is an apocalyptic number.

20523773119 is a deficient number, since it is larger than the sum of its proper divisors (1).

20523773119 is an equidigital number, since it uses as much as digits as its factorization.

20523773119 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 79380, while the sum is 40.

The spelling of 20523773119 in words is "twenty billion, five hundred twenty-three million, seven hundred seventy-three thousand, one hundred nineteen".