20334340312 has 32 divisors (see below), whose sum is σ = 44792430480. Its totient is φ = 8531890560.

The previous prime is 20334340309. The next prime is 20334340331. The reversal of 20334340312 is 21304343302.

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, 8886243 + ... + 8888530.

Almost surely, 2^20334340312 is an apocalyptic number.

20334340312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20334340312 is an abundant number, since it is smaller than the sum of its proper divisors (24458090168).

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

20334340312 is a wasteful number, since it uses less digits than its factorization.

20334340312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17774803 (or 17774799 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 20334340312 its reverse (21304343302), we get a palindrome (41638683614).

The spelling of 20334340312 in words is "twenty billion, three hundred thirty-four million, three hundred forty thousand, three hundred twelve".