20042103133140 has 96 divisors (see below), whose sum is σ = 61225902815616. Its totient is φ = 4858184701440.

The previous prime is 20042103133093. The next prime is 20042103133231. The reversal of 20042103133140 is 4133130124002.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 20042103133140.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4765114 + ... + 7924046.

It is an arithmetic number, because the mean of its divisors is an integer number (637769820996).

Almost surely, 2^{20042103133140} is an apocalyptic number.

20042103133140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20042103133140 is an abundant number, since it is smaller than the sum of its proper divisors (41183799682476).

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

20042103133140 is a wasteful number, since it uses less digits than its factorization.

20042103133140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3168569 (or 3168567 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 20042103133140 its reverse (4133130124002), we get a palindrome (24175233257142).

The spelling of 20042103133140 in words is "twenty trillion, forty-two billion, one hundred three million, one hundred thirty-three thousand, one hundred forty".