206120252 has 24 divisors (see below), whose sum is σ = 388874976. Its totient is φ = 95030208.

The previous prime is 206120237. The next prime is 206120261. The reversal of 206120252 is 252021602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69953 + ... + 72839.

It is an arithmetic number, because the mean of its divisors is an integer number (16203124).

Almost surely, 2^206120252 is an apocalyptic number.

It is an amenable number.

206120252 is a deficient number, since it is larger than the sum of its proper divisors (182754724).

206120252 is a wasteful number, since it uses less digits than its factorization.

206120252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4277 (or 4275 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 206120252 is about 14356.8886601520. Note that the first 3 decimals coincide. The cubic root of 206120252 is about 590.7089552911.

Adding to 206120252 its reverse (252021602), we get a palindrome (458141854).

The spelling of 206120252 in words is "two hundred six million, one hundred twenty thousand, two hundred fifty-two".