20648407182050 has 48 divisors (see below), whose sum is σ = 38478477969792. Its totient is φ = 8243789400000.

The previous prime is 20648407182019. The next prime is 20648407182083. The reversal of 20648407182050 is 5028170484602.

It is a junction number, because it is equal to n+sod(n) for n = 20648407181986 and 20648407182004.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 168495800 + ... + 168618300.

It is an arithmetic number, because the mean of its divisors is an integer number (801634957704).

Almost surely, 2^{20648407182050} is an apocalyptic number.

20648407182050 is a deficient number, since it is larger than the sum of its proper divisors (17830070787742).

20648407182050 is a wasteful number, since it uses less digits than its factorization.

20648407182050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128843 (or 128838 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 47.

The spelling of 20648407182050 in words is "twenty trillion, six hundred forty-eight billion, four hundred seven million, one hundred eighty-two thousand, fifty".