20523352552 has 32 divisors (see below), whose sum is σ = 38666678400. Its totient is φ = 10212294400.

The previous prime is 20523352523. The next prime is 20523352559. The reversal of 20523352552 is 25525332502.

It is not an unprimeable number, because it can be changed into a prime (20523352559) 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, 4837152 + ... + 4841392.

It is an arithmetic number, because the mean of its divisors is an integer number (1208333700).

Almost surely, 2^20523352552 is an apocalyptic number.

It is an amenable number.

20523352552 is a deficient number, since it is larger than the sum of its proper divisors (18143325848).

20523352552 is a wasteful number, since it uses less digits than its factorization.

20523352552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7017 (or 7013 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 34.

The spelling of 20523352552 in words is "twenty billion, five hundred twenty-three million, three hundred fifty-two thousand, five hundred fifty-two".