20334154619 has 2 divisors, whose sum is σ = 20334154620. Its totient is φ = 20334154618.

The previous prime is 20334154613. The next prime is 20334154627. The reversal of 20334154619 is 91645143302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20334154619 - 2³² = 16039187323 is a prime.

It is a super-2 number, since 2×20334154619² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20334154613) 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, 10167077309 + 10167077310.

It is an arithmetic number, because the mean of its divisors is an integer number (10167077310).

Almost surely, 2^20334154619 is an apocalyptic number.

20334154619 is a deficient number, since it is larger than the sum of its proper divisors (1).

20334154619 is an equidigital number, since it uses as much as digits as its factorization.

20334154619 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 38.

The spelling of 20334154619 in words is "twenty billion, three hundred thirty-four million, one hundred fifty-four thousand, six hundred nineteen".