200120015 has 8 divisors (see below), whose sum is σ = 240388080. Its totient is φ = 159933312.

The previous prime is 200119901. The next prime is 200120017. The reversal of 200120015 is 510021002.

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 200120015 - 2¹⁶ = 200054479 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 200119978 and 200120005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200120017) 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 7 ways as a sum of consecutive naturals, for example, 14789 + ... + 24878.

It is an arithmetic number, because the mean of its divisors is an integer number (30048510).

Almost surely, 2^200120015 is an apocalyptic number.

200120015 is a deficient number, since it is larger than the sum of its proper divisors (40268065).

200120015 is a wasteful number, since it uses less digits than its factorization.

200120015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40681.

The product of its (nonzero) digits is 20, while the sum is 11.

The square root of 200120015 is about 14146.3781583839. The cubic root of 200120015 is about 584.9204995820.

Adding to 200120015 its reverse (510021002), we get a palindrome (710141017).

The spelling of 200120015 in words is "two hundred million, one hundred twenty thousand, fifteen".