20060055558 has 12 divisors (see below), whose sum is σ = 43463453748. Its totient is φ = 6686685180.

The previous prime is 20060055553. The next prime is 20060055569. The reversal of 20060055558 is 85555006002.

It is a super-3 number, since 3×20060055558³ (a number of 32 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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 5 ways as a sum of consecutive naturals, for example, 557223748 + ... + 557223783.

It is an arithmetic number, because the mean of its divisors is an integer number (3621954479).

Almost surely, 2^20060055558 is an apocalyptic number.

20060055558 is an abundant number, since it is smaller than the sum of its proper divisors (23403398190).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20060055558 is a wasteful number, since it uses less digits than its factorization.

20060055558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1114447539 (or 1114447536 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 36.

The spelling of 20060055558 in words is "twenty billion, sixty million, fifty-five thousand, five hundred fifty-eight".