20859000058 has 48 divisors (see below), whose sum is σ = 35289119880. Its totient is φ = 9191647872.

The previous prime is 20859000047. The next prime is 20859000079. The reversal of 20859000058 is 85000095802.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 16773617169 + 4085382889 = 129513^2 + 63917^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20858999990 and 20859000026.

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 23 ways as a sum of consecutive naturals, for example, 10080648 + ... + 10082716.

Almost surely, 2^20859000058 is an apocalyptic number.

20859000058 is a deficient number, since it is larger than the sum of its proper divisors (14430119822).

20859000058 is a wasteful number, since it uses less digits than its factorization.

20859000058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2863 (or 2840 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 37.

The spelling of 20859000058 in words is "twenty billion, eight hundred fifty-nine million, fifty-eight", and thus it is an aban number.