20584958042 has 16 divisors (see below), whose sum is σ = 33690732192. Its totient is φ = 9355061520.

The previous prime is 20584958039. The next prime is 20584958063. The reversal of 20584958042 is 24085948502.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38288 + ... + 206484.

It is an arithmetic number, because the mean of its divisors is an integer number (2105670762).

Almost surely, 2^20584958042 is an apocalyptic number.

20584958042 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20584958042 is a deficient number, since it is larger than the sum of its proper divisors (13105774150).

20584958042 is a wasteful number, since it uses less digits than its factorization.

20584958042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173773.

The product of its (nonzero) digits is 921600, while the sum is 47.

The spelling of 20584958042 in words is "twenty billion, five hundred eighty-four million, nine hundred fifty-eight thousand, forty-two".