20060055556 has 24 divisors (see below), whose sum is σ = 37203520536. Its totient is φ = 9431539200.

The previous prime is 20060055553. The next prime is 20060055569. The reversal of 20060055556 is 65555006002.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 381577156 + 19678478400 = 19534^2 + 140280^2 .

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (20060055551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56095 + ... + 208006.

It is an arithmetic number, because the mean of its divisors is an integer number (1550146689).

Almost surely, 2^20060055556 is an apocalyptic number.

It is an amenable number.

20060055556 is a deficient number, since it is larger than the sum of its proper divisors (17143464980).

20060055556 is a wasteful number, since it uses less digits than its factorization.

20060055556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265239 (or 265237 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 34.

The spelling of 20060055556 in words is "twenty billion, sixty million, fifty-five thousand, five hundred fifty-six".