20315230034 has 16 divisors (see below), whose sum is σ = 33258621600. Its totient is φ = 9229884960.

The previous prime is 20315229973. The next prime is 20315230057. The reversal of 20315230034 is 43003251302.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20315229991 and 20315230009.

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 7 ways as a sum of consecutive naturals, for example, 167084 + ... + 261815.

It is an arithmetic number, because the mean of its divisors is an integer number (2078663850).

Almost surely, 2^20315230034 is an apocalyptic number.

20315230034 is a deficient number, since it is larger than the sum of its proper divisors (12943391566).

20315230034 is a wasteful number, since it uses less digits than its factorization.

20315230034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431065.

The product of its (nonzero) digits is 2160, while the sum is 23.

Adding to 20315230034 its reverse (43003251302), we get a palindrome (63318481336).

The spelling of 20315230034 in words is "twenty billion, three hundred fifteen million, two hundred thirty thousand, thirty-four".