20323010145 has 16 divisors (see below), whose sum is σ = 34429570560. Its totient is φ = 10201353984.

The previous prime is 20323010129. The next prime is 20323010153. The reversal of 20323010145 is 54101032302.

It is not a de Polignac number, because 20323010145 - 2⁴ = 20323010129 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39848785 + ... + 39849294.

It is an arithmetic number, because the mean of its divisors is an integer number (2151848160).

Almost surely, 2^20323010145 is an apocalyptic number.

It is an amenable number.

20323010145 is a deficient number, since it is larger than the sum of its proper divisors (14106560415).

20323010145 is a wasteful number, since it uses less digits than its factorization.

20323010145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79698104.

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 20323010145 its reverse (54101032302), we get a palindrome (74424042447).

The spelling of 20323010145 in words is "twenty billion, three hundred twenty-three million, ten thousand, one hundred forty-five".