20532445323 has 32 divisors (see below), whose sum is σ = 31084085760. Its totient is φ = 11951089920.

The previous prime is 20532445313. The next prime is 20532445331. The reversal of 20532445323 is 32354423502.

It is not a de Polignac number, because 20532445323 - 2⁸ = 20532445067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20532445313) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 445615 + ... + 489527.

It is an arithmetic number, because the mean of its divisors is an integer number (971377680).

Almost surely, 2^20532445323 is an apocalyptic number.

20532445323 is a deficient number, since it is larger than the sum of its proper divisors (10551640437).

20532445323 is a wasteful number, since it uses less digits than its factorization.

20532445323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44579.

The product of its (nonzero) digits is 86400, while the sum is 33.

Adding to 20532445323 its reverse (32354423502), we get a palindrome (52886868825).

The spelling of 20532445323 in words is "twenty billion, five hundred thirty-two million, four hundred forty-five thousand, three hundred twenty-three".