20850658881050 has 24 divisors (see below), whose sum is σ = 39138025763100. Its totient is φ = 8263747370880.

The previous prime is 20850658881047. The next prime is 20850658881071. The reversal of 20850658881050 is 5018885605802.

It can be written as a sum of positive squares in 6 ways, for example, as 16492914955609 + 4357743925441 = 4061147^2 + 2087521^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1912899035 + ... + 1912909934.

Almost surely, 2^{20850658881050} is an apocalyptic number.

20850658881050 is a deficient number, since it is larger than the sum of its proper divisors (18287366882050).

20850658881050 is a wasteful number, since it uses less digits than its factorization.

20850658881050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3825809090 (or 3825809085 counting only the distinct ones).

The product of its (nonzero) digits is 6144000, while the sum is 56.

The spelling of 20850658881050 in words is "twenty trillion, eight hundred fifty billion, six hundred fifty-eight million, eight hundred eighty-one thousand, fifty".