20085347311 has 8 divisors (see below), whose sum is σ = 20143391184. Its totient is φ = 20027374080.

The previous prime is 20085347281. The next prime is 20085347327. The reversal of 20085347311 is 11374358002.

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 20085347311 - 2¹³ = 20085339119 is a prime.

It is a super-3 number, since 3×20085347311³ (a number of 32 digits) contains 333 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 (20085347341) 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, 580741 + ... + 614353.

It is an arithmetic number, because the mean of its divisors is an integer number (2517923898).

Almost surely, 2^20085347311 is an apocalyptic number.

20085347311 is a deficient number, since it is larger than the sum of its proper divisors (58043873).

20085347311 is a wasteful number, since it uses less digits than its factorization.

20085347311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35321.

The product of its (nonzero) digits is 20160, while the sum is 34.

The spelling of 20085347311 in words is "twenty billion, eighty-five million, three hundred forty-seven thousand, three hundred eleven".