20001760445 has 4 divisors (see below), whose sum is σ = 24002112540. Its totient is φ = 16001408352.

The previous prime is 20001760393. The next prime is 20001760501. The reversal of 20001760445 is 54406710002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2284553209 + 17717207236 = 47797^2 + 133106^2 .

It is a cyclic number.

It is not a de Polignac number, because 20001760445 - 2⁶ = 20001760381 is a prime.

It is a congruent number.

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, 2000176040 + ... + 2000176049.

It is an arithmetic number, because the mean of its divisors is an integer number (6000528135).

Almost surely, 2^20001760445 is an apocalyptic number.

It is an amenable number.

20001760445 is a deficient number, since it is larger than the sum of its proper divisors (4000352095).

20001760445 is an equidigital number, since it uses as much as digits as its factorization.

20001760445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4000352094.

The product of its (nonzero) digits is 6720, while the sum is 29.

The spelling of 20001760445 in words is "twenty billion, one million, seven hundred sixty thousand, four hundred forty-five".