20300255534545 has 16 divisors (see below), whose sum is σ = 27842943415680. Its totient is φ = 13918878739584.

The previous prime is 20300255534473. The next prime is 20300255534579. The reversal of 20300255534545 is 54543555200302.

It is not a de Polignac number, because 20300255534545 - 2²⁵ = 20300221980113 is a prime.

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, 26628852 + ... + 27380581.

It is an arithmetic number, because the mean of its divisors is an integer number (1740183963480).

Almost surely, 2^{20300255534545} is an apocalyptic number.

It is an amenable number.

20300255534545 is a deficient number, since it is larger than the sum of its proper divisors (7542687881135).

20300255534545 is a wasteful number, since it uses less digits than its factorization.

20300255534545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54020184.

The product of its (nonzero) digits is 1800000, while the sum is 43.

The spelling of 20300255534545 in words is "twenty trillion, three hundred billion, two hundred fifty-five million, five hundred thirty-four thousand, five hundred forty-five".