20303543055 has 16 divisors (see below), whose sum is σ = 32511098880. Its totient is φ = 10820079648.

The previous prime is 20303543053. The next prime is 20303543063. The reversal of 20303543055 is 55034530302.

It is not a de Polignac number, because 20303543055 - 2¹ = 20303543053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20303543053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 509967 + ... + 548336.

It is an arithmetic number, because the mean of its divisors is an integer number (2031943680).

Almost surely, 2^20303543055 is an apocalyptic number.

20303543055 is a deficient number, since it is larger than the sum of its proper divisors (12207555825).

20303543055 is a wasteful number, since it uses less digits than its factorization.

20303543055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1059590.

The product of its (nonzero) digits is 27000, while the sum is 30.

The spelling of 20303543055 in words is "twenty billion, three hundred three million, five hundred forty-three thousand, fifty-five".