20145241122 has 16 divisors (see below), whose sum is σ = 40342613760. Its totient is φ = 6706391792.

The previous prime is 20145241091. The next prime is 20145241141. The reversal of 20145241122 is 22114254102.

It is a junction number, because it is equal to n+sod(n) for n = 20145241092 and 20145241101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2167122 + ... + 2176397.

It is an arithmetic number, because the mean of its divisors is an integer number (2521413360).

Almost surely, 2^20145241122 is an apocalyptic number.

20145241122 is an abundant number, since it is smaller than the sum of its proper divisors (20197372638).

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

20145241122 is a wasteful number, since it uses less digits than its factorization.

20145241122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4344297.

The product of its (nonzero) digits is 1280, while the sum is 24.

Adding to 20145241122 its reverse (22114254102), we get a palindrome (42259495224).

The spelling of 20145241122 in words is "twenty billion, one hundred forty-five million, two hundred forty-one thousand, one hundred twenty-two".