20506546211244 has 24 divisors (see below), whose sum is σ = 47862151261680. Its totient is φ = 6833580627264.

The previous prime is 20506546211227. The next prime is 20506546211257. The reversal of 20506546211244 is 44211264560502.

It is a junction number, because it is equal to n+sod(n) for n = 20506546211196 and 20506546211205.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 241802899 + ... + 241887690.

It is an arithmetic number, because the mean of its divisors is an integer number (1994256302570).

Almost surely, 2^{20506546211244} is an apocalyptic number.

It is an amenable number.

20506546211244 is an abundant number, since it is smaller than the sum of its proper divisors (27355605050436).

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

20506546211244 is a wasteful number, since it uses less digits than its factorization.

20506546211244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483694129 (or 483694127 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 42.

The spelling of 20506546211244 in words is "twenty trillion, five hundred six billion, five hundred forty-six million, two hundred eleven thousand, two hundred forty-four".