20146113558 has 32 divisors (see below), whose sum is σ = 45721681920. Its totient is φ = 6572490120.

The previous prime is 20146113557. The next prime is 20146113569. The reversal of 20146113558 is 85531164102.

20146113558 is a `hidden beast` number, since 2 + 0 + 1 + 4 + 611 + 35 + 5 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20146113553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3966358 + ... + 3971433.

It is an arithmetic number, because the mean of its divisors is an integer number (1428802560).

Almost surely, 2^20146113558 is an apocalyptic number.

20146113558 is an abundant number, since it is smaller than the sum of its proper divisors (25575568362).

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

20146113558 is a wasteful number, since it uses less digits than its factorization.

20146113558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7937849 (or 7937843 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The spelling of 20146113558 in words is "twenty billion, one hundred forty-six million, one hundred thirteen thousand, five hundred fifty-eight".