20541568950 has 96 divisors (see below), whose sum is σ = 64689669120. Its totient is φ = 4695213600.

The previous prime is 20541568937. The next prime is 20541568991. The reversal of 20541568950 is 5986514502.

20541568950 is a `hidden beast` number, since 2 + 0 + 541 + 56 + 8 + 9 + 50 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 20541568896 and 20541568905.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1077406 + ... + 1096305.

It is an arithmetic number, because the mean of its divisors is an integer number (673850720).

Almost surely, 2^20541568950 is an apocalyptic number.

20541568950 is an abundant number, since it is smaller than the sum of its proper divisors (44148100170).

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

20541568950 is a wasteful number, since it uses less digits than its factorization.

20541568950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2173739 (or 2173728 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 45.

The spelling of 20541568950 in words is "twenty billion, five hundred forty-one million, five hundred sixty-eight thousand, nine hundred fifty".