20050065544 has 16 divisors (see below), whose sum is σ = 37598443020. Its totient is φ = 10023814080.

The previous prime is 20050065493. The next prime is 20050065547. The reversal of 20050065544 is 44556005002.

It can be written as a sum of positive squares in 2 ways, for example, as 18669943044 + 1380122500 = 136638^2 + 37150^2 .

It is not an unprimeable number, because it can be changed into a prime (20050065547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80419 + ... + 215794.

Almost surely, 2^20050065544 is an apocalyptic number.

It is an amenable number.

20050065544 is a deficient number, since it is larger than the sum of its proper divisors (17548377476).

20050065544 is a wasteful number, since it uses less digits than its factorization.

20050065544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304680 (or 304676 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 31.

The spelling of 20050065544 in words is "twenty billion, fifty million, sixty-five thousand, five hundred forty-four".