20315304646334 has 32 divisors (see below), whose sum is σ = 31851784125504. Its totient is φ = 9699545067520.

The previous prime is 20315304646331. The next prime is 20315304646367. The reversal of 20315304646334 is 43364640351302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20315304646331) 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, 238587632 + ... + 238672764.

It is an arithmetic number, because the mean of its divisors is an integer number (995368253922).

Almost surely, 2^{20315304646334} is an apocalyptic number.

20315304646334 is a deficient number, since it is larger than the sum of its proper divisors (11536479479170).

20315304646334 is a wasteful number, since it uses less digits than its factorization.

20315304646334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93892.

The product of its (nonzero) digits is 1866240, while the sum is 44.

Adding to 20315304646334 its reverse (43364640351302), we get a palindrome (63679944997636).

The spelling of 20315304646334 in words is "twenty trillion, three hundred fifteen billion, three hundred four million, six hundred forty-six thousand, three hundred thirty-four".