20455646525050 has 48 divisors (see below), whose sum is σ = 41508723164544. Its totient is φ = 7437994560000.

The previous prime is 20455646525021. The next prime is 20455646525123. The reversal of 20455646525050 is 5052564655402.

It is a junction number, because it is equal to n+sod(n) for n = 20455646524985 and 20455646525003.

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, 8721535 + ... + 10815565.

It is an arithmetic number, because the mean of its divisors is an integer number (864765065928).

Almost surely, 2^{20455646525050} is an apocalyptic number.

20455646525050 is an abundant number, since it is smaller than the sum of its proper divisors (21053076639494).

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

20455646525050 is a wasteful number, since it uses less digits than its factorization.

20455646525050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2111815 (or 2111810 counting only the distinct ones).

The product of its (nonzero) digits is 7200000, while the sum is 49.

The spelling of 20455646525050 in words is "twenty trillion, four hundred fifty-five billion, six hundred forty-six million, five hundred twenty-five thousand, fifty".