20082086123 has 4 divisors (see below), whose sum is σ = 21907730328. Its totient is φ = 18256441920.

The previous prime is 20082086053. The next prime is 20082086153. The reversal of 20082086123 is 32168028002.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20082086123 is a prime.

It is a super-2 number, since 2×20082086123² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20082086123.

It is not an unprimeable number, because it can be changed into a prime (20082086153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 912822086 + ... + 912822107.

It is an arithmetic number, because the mean of its divisors is an integer number (5476932582).

Almost surely, 2^20082086123 is an apocalyptic number.

20082086123 is a deficient number, since it is larger than the sum of its proper divisors (1825644205).

20082086123 is a wasteful number, since it uses less digits than its factorization.

20082086123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1825644204.

The product of its (nonzero) digits is 9216, while the sum is 32.

The spelling of 20082086123 in words is "twenty billion, eighty-two million, eighty-six thousand, one hundred twenty-three".