20323082869 has 16 divisors (see below), whose sum is σ = 21220214400. Its totient is φ = 19439832384.

The previous prime is 20323082863. The next prime is 20323082891. The reversal of 20323082869 is 96828032302.

It is a cyclic number.

It is not a de Polignac number, because 20323082869 - 2¹¹ = 20323080821 is a prime.

It is a super-2 number, since 2×20323082869² (a number of 21 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 (20323082863) 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 15 ways as a sum of consecutive naturals, for example, 1479967 + ... + 1493635.

It is an arithmetic number, because the mean of its divisors is an integer number (1326263400).

Almost surely, 2^20323082869 is an apocalyptic number.

20323082869 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

20323082869 is a deficient number, since it is larger than the sum of its proper divisors (897131531).

20323082869 is a wasteful number, since it uses less digits than its factorization.

20323082869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14172.

The product of its (nonzero) digits is 248832, while the sum is 43.

The spelling of 20323082869 in words is "twenty billion, three hundred twenty-three million, eighty-two thousand, eight hundred sixty-nine".