206052021023 has 8 divisors (see below), whose sum is σ = 218299382928. Its totient is φ = 193818731904.

The previous prime is 206052021001. The next prime is 206052021037. The reversal of 206052021023 is 320120250602.

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

It is a cyclic number.

It is not a de Polignac number, because 206052021023 - 2⁶ = 206052020959 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 206052021023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206052021053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3488036 + ... + 3546617.

It is an arithmetic number, because the mean of its divisors is an integer number (27287422866).

Almost surely, 2^206052021023 is an apocalyptic number.

206052021023 is a deficient number, since it is larger than the sum of its proper divisors (12247361905).

206052021023 is a wasteful number, since it uses less digits than its factorization.

206052021023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7036393.

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 206052021023 its reverse (320120250602), we get a palindrome (526172271625).

The spelling of 206052021023 in words is "two hundred six billion, fifty-two million, twenty-one thousand, twenty-three".