20608388380602 has 128 divisors (see below), whose sum is σ = 51327198028800. Its totient is φ = 6074145806400.

The previous prime is 20608388380597. The next prime is 20608388380637.

20608388380602 is a `hidden beast` number, since 20 + 6 + 0 + 8 + 3 + 8 + 8 + 3 + 8 + 0 + 602 = 666.

20608388380602 is nontrivially palindromic in base 10.

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

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 66020049 + ... + 66331467.

It is an arithmetic number, because the mean of its divisors is an integer number (400993734600).

Almost surely, 2^{20608388380602} is an apocalyptic number.

20608388380602 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 20608388380602, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25663599014400).

20608388380602 is an abundant number, since it is smaller than the sum of its proper divisors (30718809648198).

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

20608388380602 is a wasteful number, since it uses less digits than its factorization.

20608388380602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314489 (or 314483 counting only the distinct ones).

The product of its (nonzero) digits is 5308416, while the sum is 54.

The spelling of 20608388380602 in words is "twenty trillion, six hundred eight billion, three hundred eighty-eight million, three hundred eighty thousand, six hundred two".