10020558 has 8 divisors (see below), whose sum is σ = 20041128. Its totient is φ = 3340184.

The previous prime is 10020547. The next prime is 10020559. The reversal of 10020558 is 85502001.

It is a sphenic number, since it is the product of 3 distinct primes.

10020558 is an admirable number.

It is a super-3 number, since 3×10020558³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10020559) 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 3 ways as a sum of consecutive naturals, for example, 835041 + ... + 835052.

It is an arithmetic number, because the mean of its divisors is an integer number (2505141).

Almost surely, 2^10020558 is an apocalyptic number.

10020558 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

10020558 is a wasteful number, since it uses less digits than its factorization.

10020558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1670098.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 10020558 is about 3165.5264964931. The cubic root of 10020558 is about 215.5910041763.

Adding to 10020558 its reverse (85502001), we get a palindrome (95522559).

The spelling of 10020558 in words is "ten million, twenty thousand, five hundred fifty-eight".