20013020558 has 8 divisors (see below), whose sum is σ = 30020153880. Its totient is φ = 10006302600.

The previous prime is 20013020543. The next prime is 20013020593. The reversal of 20013020558 is 85502031002.

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

It is a super-3 number, since 3×20013020558³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86108 + ... + 217808.

It is an arithmetic number, because the mean of its divisors is an integer number (3752519235).

Almost surely, 2^20013020558 is an apocalyptic number.

20013020558 is a deficient number, since it is larger than the sum of its proper divisors (10007133322).

20013020558 is a wasteful number, since it uses less digits than its factorization.

20013020558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207682.

The product of its (nonzero) digits is 2400, while the sum is 26.

The spelling of 20013020558 in words is "twenty billion, thirteen million, twenty thousand, five hundred fifty-eight".