20050106532146 has 8 divisors (see below), whose sum is σ = 30152473834860. Its totient is φ = 9999281920528.

The previous prime is 20050106532073. The next prime is 20050106532193. The reversal of 20050106532146 is 64123560105002.

It can be written as a sum of positive squares in 2 ways, for example, as 18945692602225 + 1104413929921 = 4352665^2 + 1050911^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12885671801 + ... + 12885673356.

Almost surely, 2^{20050106532146} is an apocalyptic number.

20050106532146 is a deficient number, since it is larger than the sum of its proper divisors (10102367302714).

20050106532146 is a wasteful number, since it uses less digits than its factorization.

20050106532146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25771345548.

The product of its (nonzero) digits is 43200, while the sum is 35.

Adding to 20050106532146 its reverse (64123560105002), we get a palindrome (84173666637148).

The spelling of 20050106532146 in words is "twenty trillion, fifty billion, one hundred six million, five hundred thirty-two thousand, one hundred forty-six".