20908241824 has 48 divisors (see below), whose sum is σ = 43095719520. Its totient is φ = 9971987200.

The previous prime is 20908241819. The next prime is 20908241833. The reversal of 20908241824 is 42814280902.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58702 + ... + 212749.

It is an arithmetic number, because the mean of its divisors is an integer number (897827490).

Almost surely, 2^20908241824 is an apocalyptic number.

It is an amenable number.

20908241824 is an abundant number, since it is smaller than the sum of its proper divisors (22187477696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20908241824 is a wasteful number, since it uses less digits than its factorization.

20908241824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271573 (or 271565 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 40.

The spelling of 20908241824 in words is "twenty billion, nine hundred eight million, two hundred forty-one thousand, eight hundred twenty-four".