20006062561061 has 4 divisors (see below), whose sum is σ = 20006211013152. Its totient is φ = 20005914108972.

The previous prime is 20006062561049. The next prime is 20006062561129. The reversal of 20006062561061 is 16016526060002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20006062561061 - 2¹⁰ = 20006062560037 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 (20006062561361) 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, 74023715 + ... + 74293488.

It is an arithmetic number, because the mean of its divisors is an integer number (5001552753288).

Almost surely, 2^{20006062561061} is an apocalyptic number.

It is an amenable number.

20006062561061 is a deficient number, since it is larger than the sum of its proper divisors (148452091).

20006062561061 is a wasteful number, since it uses less digits than its factorization.

20006062561061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148452090.

The product of its (nonzero) digits is 25920, while the sum is 35.

The spelling of 20006062561061 in words is "twenty trillion, six billion, sixty-two million, five hundred sixty-one thousand, sixty-one".