20313435312 has 60 divisors (see below), whose sum is σ = 58954950600. Its totient is φ = 6771143808.

The previous prime is 20313435299. The next prime is 20313435349. The reversal of 20313435312 is 21353431302.

20313435312 is a `hidden beast` number, since 2 + 0 + 3 + 1 + 343 + 5 + 312 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2608437 + ... + 2616212.

It is an arithmetic number, because the mean of its divisors is an integer number (982582510).

Almost surely, 2^20313435312 is an apocalyptic number.

It is an amenable number.

20313435312 is an abundant number, since it is smaller than the sum of its proper divisors (38641515288).

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

20313435312 is an equidigital number, since it uses as much as digits as its factorization.

20313435312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5224672 (or 5224654 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

Adding to 20313435312 its reverse (21353431302), we get a palindrome (41666866614).

It can be divided in two parts, 20313 and 435312, that added together give a square (455625 = 675²).

The spelling of 20313435312 in words is "twenty billion, three hundred thirteen million, four hundred thirty-five thousand, three hundred twelve".