20522323352 has 32 divisors (see below), whose sum is σ = 39493576080. Its totient is φ = 9991664640.

The previous prime is 20522323307. The next prime is 20522323357. The reversal of 20522323352 is 25332322502.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20522323357) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111728 + ... + 231360.

Almost surely, 2^20522323352 is an apocalyptic number.

It is an amenable number.

20522323352 is a deficient number, since it is larger than the sum of its proper divisors (18971252728).

20522323352 is a wasteful number, since it uses less digits than its factorization.

20522323352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120203 (or 120199 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 29.

Adding to 20522323352 its reverse (25332322502), we get a palindrome (45854645854).

The spelling of 20522323352 in words is "twenty billion, five hundred twenty-two million, three hundred twenty-three thousand, three hundred fifty-two".