20545631264324 has 24 divisors (see below), whose sum is σ = 36603894289368. Its totient is φ = 10087925207040.

The previous prime is 20545631264317. The next prime is 20545631264351. The reversal of 20545631264324 is 42346213654502.

It can be written as a sum of positive squares in 4 ways, for example, as 129981880900 + 20415649383424 = 360530^2 + 4518368^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68531837 + ... + 68830980.

It is an arithmetic number, because the mean of its divisors is an integer number (1525162262057).

Almost surely, 2^{20545631264324} is an apocalyptic number.

It is an amenable number.

20545631264324 is a deficient number, since it is larger than the sum of its proper divisors (16058263025044).

20545631264324 is a wasteful number, since it uses less digits than its factorization.

20545631264324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137363495 (or 137363493 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 47.

The spelling of 20545631264324 in words is "twenty trillion, five hundred forty-five billion, six hundred thirty-one million, two hundred sixty-four thousand, three hundred twenty-four".