20535323324 has 6 divisors (see below), whose sum is σ = 35936815824. Its totient is φ = 10267661660.

The previous prime is 20535323309. The next prime is 20535323353. The reversal of 20535323324 is 42332353502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2566915412 + ... + 2566915419.

It is an arithmetic number, because the mean of its divisors is an integer number (5989469304).

Almost surely, 2^20535323324 is an apocalyptic number.

It is an amenable number.

20535323324 is a deficient number, since it is larger than the sum of its proper divisors (15401492500).

20535323324 is a wasteful number, since it uses less digits than its factorization.

20535323324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5133830835 (or 5133830833 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 32.

Adding to 20535323324 its reverse (42332353502), we get a palindrome (62867676826).

The spelling of 20535323324 in words is "twenty billion, five hundred thirty-five million, three hundred twenty-three thousand, three hundred twenty-four".