20375230085 has 16 divisors (see below), whose sum is σ = 27946707456. Its totient is φ = 13969819008.

The previous prime is 20375230069. The next prime is 20375230091. The reversal of 20375230085 is 58003257302.

It is a cyclic number.

It is not a de Polignac number, because 20375230085 - 2⁴ = 20375230069 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

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 15 ways as a sum of consecutive naturals, for example, 282929 + ... + 347561.

It is an arithmetic number, because the mean of its divisors is an integer number (1746669216).

Almost surely, 2^20375230085 is an apocalyptic number.

It is an amenable number.

20375230085 is a deficient number, since it is larger than the sum of its proper divisors (7571477371).

20375230085 is an equidigital number, since it uses as much as digits as its factorization.

20375230085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73652.

The product of its (nonzero) digits is 50400, while the sum is 35.

Adding to 20375230085 its reverse (58003257302), we get a palindrome (78378487387).

The spelling of 20375230085 in words is "twenty billion, three hundred seventy-five million, two hundred thirty thousand, eighty-five".