20042344334012 has 216 divisors, whose sum is σ = 48774830660640. Its totient is φ = 7136658144000.

The previous prime is 20042344333927. The next prime is 20042344334099. The reversal of 20042344334012 is 21043344324002.

It is a super-2 number, since 2×20042344334012² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20042344334012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 30817289 + ... + 31460927.

Almost surely, 2^{20042344334012} is an apocalyptic number.

20042344334012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20042344334012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24387415330320).

20042344334012 is an abundant number, since it is smaller than the sum of its proper divisors (28732486326628).

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

20042344334012 is a wasteful number, since it uses less digits than its factorization.

20042344334012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643793 (or 643773 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 20042344334012 its reverse (21043344324002), we get a palindrome (41085688658014).

The spelling of 20042344334012 in words is "twenty trillion, forty-two billion, three hundred forty-four million, three hundred thirty-four thousand, twelve".