20583484668 has 96 divisors (see below), whose sum is σ = 56054584320. Its totient is φ = 6519268800.

The previous prime is 20583484637. The next prime is 20583484679. The reversal of 20583484668 is 86648438502.

20583484668 is a `hidden beast` number, since 20 + 5 + 83 + 484 + 6 + 68 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 347646 + ... + 402522.

It is an arithmetic number, because the mean of its divisors is an integer number (583901920).

Almost surely, 2^20583484668 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20583484668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28027292160).

20583484668 is an abundant number, since it is smaller than the sum of its proper divisors (35471099652).

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

20583484668 is a wasteful number, since it uses less digits than its factorization.

20583484668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55064 (or 55056 counting only the distinct ones).

The product of its (nonzero) digits is 8847360, while the sum is 54.

The spelling of 20583484668 in words is "twenty billion, five hundred eighty-three million, four hundred eighty-four thousand, six hundred sixty-eight".