20131036476180 has 48 divisors (see below), whose sum is σ = 64419316725120. Its totient is φ = 4601379765888.

The previous prime is 20131036476179. The next prime is 20131036476203. The reversal of 20131036476180 is 8167463013102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23965519195 + ... + 23965520034.

It is an arithmetic number, because the mean of its divisors is an integer number (1342069098440).

Almost surely, 2^{20131036476180} is an apocalyptic number.

20131036476180 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20131036476180 is an abundant number, since it is smaller than the sum of its proper divisors (44288280248940).

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

20131036476180 is a wasteful number, since it uses less digits than its factorization.

20131036476180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47931039248 (or 47931039246 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

Adding to 20131036476180 its reverse (8167463013102), we get a palindrome (28298499489282).

The spelling of 20131036476180 in words is "twenty trillion, one hundred thirty-one billion, thirty-six million, four hundred seventy-six thousand, one hundred eighty".