20323202669 has 16 divisors (see below), whose sum is σ = 25350713856. Its totient is φ = 15828327600.

The previous prime is 20323202657. The next prime is 20323202681. The reversal of 20323202669 is 96620232302.

It is an interprime number because it is at equal distance from previous prime (20323202657) and next prime (20323202681).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20323202669 is a prime.

It is a super-2 number, since 2×20323202669² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20323202689) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90974 + ... + 221184.

It is an arithmetic number, because the mean of its divisors is an integer number (1584419616).

Almost surely, 2^20323202669 is an apocalyptic number.

It is an amenable number.

20323202669 is a deficient number, since it is larger than the sum of its proper divisors (5027511187).

20323202669 is a wasteful number, since it uses less digits than its factorization.

20323202669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132256.

The product of its (nonzero) digits is 46656, while the sum is 35.

The spelling of 20323202669 in words is "twenty billion, three hundred twenty-three million, two hundred two thousand, six hundred sixty-nine".