14203121200020 has 144 divisors (see below), whose sum is σ = 43119397077120. Its totient is φ = 3784283290368.

The previous prime is 14203121200019. The next prime is 14203121200039. The reversal of 14203121200020 is 2000212130241.

It is a happy number.

14203121200020 is a `hidden beast` number, since 1 + 420 + 3 + 1 + 21 + 200 + 0 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 14203121199966 and 14203121200002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1374534774 + ... + 1374545106.

It is an arithmetic number, because the mean of its divisors is an integer number (299440257480).

Almost surely, 2^{14203121200020} is an apocalyptic number.

14203121200020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14203121200020 is an abundant number, since it is smaller than the sum of its proper divisors (28916275877100).

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

14203121200020 is a wasteful number, since it uses less digits than its factorization.

14203121200020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16094 (or 16089 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 14203121200020 its reverse (2000212130241), we get a palindrome (16203333330261).

The spelling of 14203121200020 in words is "fourteen trillion, two hundred three billion, one hundred twenty-one million, two hundred thousand, twenty".