20023433445 has 16 divisors (see below), whose sum is σ = 32043920832. Its totient is φ = 10677022080.

The previous prime is 20023433429. The next prime is 20023433483. The reversal of 20023433445 is 54433432002.

It is not a de Polignac number, because 20023433445 - 2⁴ = 20023433429 is a prime.

It is a congruent number.

It is an unprimeable number.

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, 55147 + ... + 207576.

It is an arithmetic number, because the mean of its divisors is an integer number (2002745052).

Almost surely, 2^20023433445 is an apocalyptic number.

It is an amenable number.

20023433445 is a deficient number, since it is larger than the sum of its proper divisors (12020487387).

20023433445 is a wasteful number, since it uses less digits than its factorization.

20023433445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267812.

The product of its (nonzero) digits is 34560, while the sum is 30.

Adding to 20023433445 its reverse (54433432002), we get a palindrome (74456865447).

The spelling of 20023433445 in words is "twenty billion, twenty-three million, four hundred thirty-three thousand, four hundred forty-five".