20134728699119 has 4 divisors (see below), whose sum is σ = 20139442992480. Its totient is φ = 20130014405760.

The previous prime is 20134728699101. The next prime is 20134728699143. The reversal of 20134728699119 is 91199682743102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20134728699119 - 2²⁸ = 20134460263663 is a prime.

It is a super-2 number, since 2×20134728699119² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20134728699149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2357140274 + ... + 2357148815.

It is an arithmetic number, because the mean of its divisors is an integer number (5034860748120).

Almost surely, 2^{20134728699119} is an apocalyptic number.

20134728699119 is a deficient number, since it is larger than the sum of its proper divisors (4714293361).

20134728699119 is an equidigital number, since it uses as much as digits as its factorization.

20134728699119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4714293360.

The product of its (nonzero) digits is 11757312, while the sum is 62.

The spelling of 20134728699119 in words is "twenty trillion, one hundred thirty-four billion, seven hundred twenty-eight million, six hundred ninety-nine thousand, one hundred nineteen".