20011134134309 has 8 divisors (see below), whose sum is σ = 20321846002560. Its totient is φ = 19701857425536.

The previous prime is 20011134134279. The next prime is 20011134134353. The reversal of 20011134134309 is 90343143111002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20011134134309 - 2²⁸ = 20010865698853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20011134134359) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 358761767 + ... + 358817540.

It is an arithmetic number, because the mean of its divisors is an integer number (2540230750320).

Almost surely, 2^{20011134134309} is an apocalyptic number.

It is an amenable number.

20011134134309 is a deficient number, since it is larger than the sum of its proper divisors (310711868251).

20011134134309 is an equidigital number, since it uses as much as digits as its factorization.

20011134134309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717579739.

The product of its (nonzero) digits is 7776, while the sum is 32.

The spelling of 20011134134309 in words is "twenty trillion, eleven billion, one hundred thirty-four million, one hundred thirty-four thousand, three hundred nine".