20005343342012 has 24 divisors (see below), whose sum is σ = 40081753654656. Its totient is φ = 8558489938608.

The previous prime is 20005343342003. The next prime is 20005343342021. The reversal of 20005343342012 is 21024334350002.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20005343342003) and next prime (20005343342021).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 634510478 + ... + 634542005.

It is an arithmetic number, because the mean of its divisors is an integer number (1670073068944).

Almost surely, 2^{20005343342012} is an apocalyptic number.

It is an amenable number.

20005343342012 is an abundant number, since it is smaller than the sum of its proper divisors (20076410312644).

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

20005343342012 is a wasteful number, since it uses less digits than its factorization.

20005343342012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1269053057 (or 1269053055 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 20005343342012 its reverse (21024334350002), we get a palindrome (41029677692014).

The spelling of 20005343342012 in words is "twenty trillion, five billion, three hundred forty-three million, three hundred forty-two thousand, twelve".