20522005332512 has 12 divisors (see below), whose sum is σ = 40402697998446. Its totient is φ = 10261002666240.

The previous prime is 20522005332469. The next prime is 20522005332541. The reversal of 20522005332512 is 21523350022502.

It can be written as a sum of positive squares in only one way, i.e., 14080175550736 + 6441829781776 = 3752356^2 + 2538076^2 .

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 641312666641 = 20522005332512 / (2 + 0 + 5 + 2 + 2 + 0 + 0 + 5 + 3 + 3 + 2 + 5 + 1 + 2).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 320656333289 + ... + 320656333352.

Almost surely, 2^{20522005332512} is an apocalyptic number.

It is an amenable number.

20522005332512 is a deficient number, since it is larger than the sum of its proper divisors (19880692665934).

20522005332512 is an equidigital number, since it uses as much as digits as its factorization.

20522005332512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641312666651 (or 641312666643 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 32.

The spelling of 20522005332512 in words is "twenty trillion, five hundred twenty-two billion, five million, three hundred thirty-two thousand, five hundred twelve".