20413653561050 has 36 divisors (see below), whose sum is σ = 40334271504090. Its totient is φ = 7685140158720.

The previous prime is 20413653561047. The next prime is 20413653561083. The reversal of 20413653561050 is 5016535631402.

It can be written as a sum of positive squares in 9 ways, for example, as 2335416634849 + 18078236926201 = 1528207^2 + 4251851^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20413653560989 and 20413653561007.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 706340345 + ... + 706369244.

Almost surely, 2^{20413653561050} is an apocalyptic number.

20413653561050 is a deficient number, since it is larger than the sum of its proper divisors (19920617943040).

20413653561050 is a wasteful number, since it uses less digits than its factorization.

20413653561050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1412709635 (or 1412709613 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 41.

The spelling of 20413653561050 in words is "twenty trillion, four hundred thirteen billion, six hundred fifty-three million, five hundred sixty-one thousand, fifty".