20003667205696 has 28 divisors (see below), whose sum is σ = 40767608929948. Its totient is φ = 9731513774592.

The previous prime is 20003667205681. The next prime is 20003667205727. The reversal of 20003667205696 is 69650276630002.

It can be written as a sum of positive squares in 2 ways, for example, as 12666936556096 + 7336730649600 = 3559064^2 + 2708640^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4223744931 + ... + 4223749666.

Almost surely, 2^{20003667205696} is an apocalyptic number.

It is an amenable number.

20003667205696 is an abundant number, since it is smaller than the sum of its proper divisors (20763941724252).

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

20003667205696 is an equidigital number, since it uses as much as digits as its factorization.

20003667205696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8447494646 (or 8447494636 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 52.

The spelling of 20003667205696 in words is "twenty trillion, three billion, six hundred sixty-seven million, two hundred five thousand, six hundred ninety-six".