20050106532061 has 4 divisors (see below), whose sum is σ = 20096411628412. Its totient is φ = 20003801435712.

The previous prime is 20050106532047. The next prime is 20050106532073. The reversal of 20050106532061 is 16023560105002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10009510215961 + 10040596316100 = 3163781^2 + 3168690^2 .

It is a cyclic number.

It is not a de Polignac number, because 20050106532061 - 2¹⁹ = 20050106007773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20050106532011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23152547526 + ... + 23152548391.

It is an arithmetic number, because the mean of its divisors is an integer number (5024102907103).

Almost surely, 2^{20050106532061} is an apocalyptic number.

It is an amenable number.

20050106532061 is a deficient number, since it is larger than the sum of its proper divisors (46305096351).

20050106532061 is an equidigital number, since it uses as much as digits as its factorization.

20050106532061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46305096350.

The product of its (nonzero) digits is 10800, while the sum is 31.

Adding to 20050106532061 its reverse (16023560105002), we get a palindrome (36073666637063).

The spelling of 20050106532061 in words is "twenty trillion, fifty billion, one hundred six million, five hundred thirty-two thousand, sixty-one".