20466663557058 has 48 divisors (see below), whose sum is σ = 45255388969440. Its totient is φ = 6682892020992.

The previous prime is 20466663557047. The next prime is 20466663557077. The reversal of 20466663557058 is 85075536666402.

It is a junction number, because it is equal to n+sod(n) for n = 20466663556986 and 20466663557004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33748591 + ... + 34349682.

It is an arithmetic number, because the mean of its divisors is an integer number (942820603530).

Almost surely, 2^{20466663557058} is an apocalyptic number.

20466663557058 is an abundant number, since it is smaller than the sum of its proper divisors (24788725412382).

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

20466663557058 is a wasteful number, since it uses less digits than its factorization.

20466663557058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68098623 (or 68098620 counting only the distinct ones).

The product of its (nonzero) digits is 217728000, while the sum is 63.

The spelling of 20466663557058 in words is "twenty trillion, four hundred sixty-six billion, six hundred sixty-three million, five hundred fifty-seven thousand, fifty-eight".