20200558 has 16 divisors (see below), whose sum is σ = 34938720. Its totient is φ = 8580768.

The previous prime is 20200549. The next prime is 20200589. The reversal of 20200558 is 85500202.

It is a super-3 number, since 3×20200558³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

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, 178710 + ... + 178822.

It is an arithmetic number, because the mean of its divisors is an integer number (2183670).

Almost surely, 2^20200558 is an apocalyptic number.

20200558 is a deficient number, since it is larger than the sum of its proper divisors (14738162).

20200558 is an frugal number, since it uses more digits than its factorization.

20200558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348 (or 122 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 20200558 is about 4494.5030871054. The cubic root of 20200558 is about 272.3460758518.

The spelling of 20200558 in words is "twenty million, two hundred thousand, five hundred fifty-eight".