20142034004220 has 96 divisors (see below), whose sum is σ = 59716731428928. Its totient is φ = 5055126515712.

The previous prime is 20142034004189. The next prime is 20142034004227. The reversal of 20142034004220 is 2240043024102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20142034004227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43422234 + ... + 43883646.

It is an arithmetic number, because the mean of its divisors is an integer number (622049285718).

Almost surely, 2^{20142034004220} is an apocalyptic number.

20142034004220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20142034004220 is an abundant number, since it is smaller than the sum of its proper divisors (39574697424708).

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

20142034004220 is a wasteful number, since it uses less digits than its factorization.

20142034004220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504239 (or 504237 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 20142034004220 its reverse (2240043024102), we get a palindrome (22382077028322).

The spelling of 20142034004220 in words is "twenty trillion, one hundred forty-two billion, thirty-four million, four thousand, two hundred twenty".