20605600105608 has 64 divisors (see below), whose sum is σ = 60242286044160. Its totient is φ = 5750400027456.

The previous prime is 20605600105589. The next prime is 20605600105613. The reversal of 20605600105608 is 80650100650602.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1426183260 + ... + 1426197707.

It is an arithmetic number, because the mean of its divisors is an integer number (941285719440).

Almost surely, 2^{20605600105608} is an apocalyptic number.

20605600105608 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

20605600105608 is an abundant number, since it is smaller than the sum of its proper divisors (39636685938552).

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

20605600105608 is a wasteful number, since it uses less digits than its factorization.

20605600105608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2852381026 (or 2852381022 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 39.

The spelling of 20605600105608 in words is "twenty trillion, six hundred five billion, six hundred million, one hundred five thousand, six hundred eight".