20461231041636 has 96 divisors (see below), whose sum is σ = 60499377792000. Its totient is φ = 5227480771200.

The previous prime is 20461231041571. The next prime is 20461231041661. The reversal of 20461231041636 is 63614013216402.

It is a junction number, because it is equal to n+sod(n) for n = 20461231041594 and 20461231041603.

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, 181453386 + ... + 181566113.

It is an arithmetic number, because the mean of its divisors is an integer number (630201852000).

Almost surely, 2^{20461231041636} is an apocalyptic number.

It is an amenable number.

20461231041636 is an abundant number, since it is smaller than the sum of its proper divisors (40038146750364).

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

20461231041636 is a wasteful number, since it uses less digits than its factorization.

20461231041636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363019585 (or 363019583 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 39.

The spelling of 20461231041636 in words is "twenty trillion, four hundred sixty-one billion, two hundred thirty-one million, forty-one thousand, six hundred thirty-six".