206272525021 has 4 divisors (see below), whose sum is σ = 206273993632. Its totient is φ = 206271056412.

The previous prime is 206272525013. The next prime is 206272525049. The reversal of 206272525021 is 120525272602.

206272525021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 206272525021 - 2³ = 206272525013 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 (206272525421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 498351 + ... + 812956.

It is an arithmetic number, because the mean of its divisors is an integer number (51568498408).

Almost surely, 2^206272525021 is an apocalyptic number.

It is an amenable number.

206272525021 is a deficient number, since it is larger than the sum of its proper divisors (1468611).

206272525021 is a wasteful number, since it uses less digits than its factorization.

206272525021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1468610.

The product of its (nonzero) digits is 33600, while the sum is 34.

Adding to 206272525021 its reverse (120525272602), we get a palindrome (326797797623).

The spelling of 206272525021 in words is "two hundred six billion, two hundred seventy-two million, five hundred twenty-five thousand, twenty-one".