20323012297 has 12 divisors (see below), whose sum is σ = 23870585856. Its totient is φ = 17250597000.

The previous prime is 20323012277. The next prime is 20323012337. The reversal of 20323012297 is 79221032302.

It is not a de Polignac number, because 20323012297 - 2⁷ = 20323012169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20323012277) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2008329 + ... + 2018422.

It is an arithmetic number, because the mean of its divisors is an integer number (1989215488).

Almost surely, 2^20323012297 is an apocalyptic number.

It is an amenable number.

20323012297 is a deficient number, since it is larger than the sum of its proper divisors (3547573559).

20323012297 is a wasteful number, since it uses less digits than its factorization.

20323012297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4026868 (or 4026861 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 31.

Adding to 20323012297 its reverse (79221032302), we get a palindrome (99544044599).

The spelling of 20323012297 in words is "twenty billion, three hundred twenty-three million, twelve thousand, two hundred ninety-seven".