20084541579 has 6 divisors (see below), whose sum is σ = 29011004516. Its totient is φ = 13389694380.

The previous prime is 20084541577. The next prime is 20084541593. The reversal of 20084541579 is 97514548002.

20084541579 is a `hidden beast` number, since 20 + 0 + 8 + 4 + 54 + 1 + 579 = 666.

It is not a de Polignac number, because 20084541579 - 2¹ = 20084541577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20084541577) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1115807857 + ... + 1115807874.

Almost surely, 2^20084541579 is an apocalyptic number.

20084541579 is a deficient number, since it is larger than the sum of its proper divisors (8926462937).

20084541579 is a wasteful number, since it uses less digits than its factorization.

20084541579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2231615737 (or 2231615734 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 45.

The spelling of 20084541579 in words is "twenty billion, eighty-four million, five hundred forty-one thousand, five hundred seventy-nine".