20908508930324 has 12 divisors (see below), whose sum is σ = 36589977474624. Its totient is φ = 10454229651864.

The previous prime is 20908508930263. The next prime is 20908508930399. The reversal of 20908508930324 is 42303980580902.

It is a super-3 number, since 3×20908508930324³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 4238234 + ... + 7731729.

It is an arithmetic number, because the mean of its divisors is an integer number (3049164789552).

Almost surely, 2^{20908508930324} is an apocalyptic number.

It is an amenable number.

20908508930324 is a deficient number, since it is larger than the sum of its proper divisors (15681468544300).

20908508930324 is a wasteful number, since it uses less digits than its factorization.

20908508930324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12406654 (or 12406652 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 53.

The spelling of 20908508930324 in words is "twenty trillion, nine hundred eight billion, five hundred eight million, nine hundred thirty thousand, three hundred twenty-four".