20060055550 has 24 divisors (see below), whose sum is σ = 37558814832. Its totient is φ = 7970880000.

The previous prime is 20060055541. The next prime is 20060055551. The reversal of 20060055550 is 5555006002.

It is a congruent number.

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

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1320931 + ... + 1336030.

It is an arithmetic number, because the mean of its divisors is an integer number (1564950618).

Almost surely, 2^20060055550 is an apocalyptic number.

20060055550 is a deficient number, since it is larger than the sum of its proper divisors (17498759282).

20060055550 is a wasteful number, since it uses less digits than its factorization.

20060055550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2657124 (or 2657119 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 28.

The spelling of 20060055550 in words is "twenty billion, sixty million, fifty-five thousand, five hundred fifty".