20315262336312 has 32 divisors (see below), whose sum is σ = 50796343889280. Its totient is φ = 6770662372320.

The previous prime is 20315262336269. The next prime is 20315262336361. The reversal of 20315262336312 is 21363326251302.

It is a super-2 number, since 2×20315262336312² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68081764 + ... + 68379507.

It is an arithmetic number, because the mean of its divisors is an integer number (1587385746540).

Almost surely, 2^{20315262336312} is an apocalyptic number.

It is an amenable number.

20315262336312 is an abundant number, since it is smaller than the sum of its proper divisors (30481081552968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20315262336312 is a wasteful number, since it uses less digits than its factorization.

20315262336312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136467483 (or 136467479 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 39.

Adding to 20315262336312 its reverse (21363326251302), we get a palindrome (41678588587614).

The spelling of 20315262336312 in words is "twenty trillion, three hundred fifteen billion, two hundred sixty-two million, three hundred thirty-six thousand, three hundred twelve".