20734706119 has 2 divisors, whose sum is σ = 20734706120. Its totient is φ = 20734706118.

The previous prime is 20734706101. The next prime is 20734706219. The reversal of 20734706119 is 91160743702.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20734706119 - 2¹³ = 20734697927 is a prime.

It is a super-2 number, since 2×20734706119² (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 (20734706219) 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, 10367353059 + 10367353060.

It is an arithmetic number, because the mean of its divisors is an integer number (10367353060).

Almost surely, 2^20734706119 is an apocalyptic number.

20734706119 is a deficient number, since it is larger than the sum of its proper divisors (1).

20734706119 is an equidigital number, since it uses as much as digits as its factorization.

20734706119 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63504, while the sum is 40.

The spelling of 20734706119 in words is "twenty billion, seven hundred thirty-four million, seven hundred six thousand, one hundred nineteen".