20043342112 has 48 divisors (see below), whose sum is σ = 40972176000. Its totient is φ = 9640270080.

The previous prime is 20043342097. The next prime is 20043342127. The reversal of 20043342112 is 21124334002.

It is an interprime number because it is at equal distance from previous prime (20043342097) and next prime (20043342127).

It is a super-3 number, since 3×20043342112³ (a number of 32 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211639 + ... + 291337.

It is an arithmetic number, because the mean of its divisors is an integer number (853587000).

Almost surely, 2^20043342112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20043342112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20486088000).

20043342112 is an abundant number, since it is smaller than the sum of its proper divisors (20928833888).

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

20043342112 is a wasteful number, since it uses less digits than its factorization.

20043342112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80009 (or 80001 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 20043342112 its reverse (21124334002), we get a palindrome (41167676114).

The spelling of 20043342112 in words is "twenty billion, forty-three million, three hundred forty-two thousand, one hundred twelve".