205202030 has 32 divisors (see below), whose sum is σ = 403947648. Its totient is φ = 74432800.

The previous prime is 205202029. The next prime is 205202069. The reversal of 205202030 is 30202502.

205202030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×205202030² = 84215746232241800, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 205201996 and 205202014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46625 + ... + 50835.

It is an arithmetic number, because the mean of its divisors is an integer number (12623364).

Almost surely, 2^205202030 is an apocalyptic number.

205202030 is a deficient number, since it is larger than the sum of its proper divisors (198745618).

205202030 is a wasteful number, since it uses less digits than its factorization.

205202030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4672.

The product of its (nonzero) digits is 120, while the sum is 14.

The square root of 205202030 is about 14324.8745195202. The cubic root of 205202030 is about 589.8304885047.

Adding to 205202030 its reverse (30202502), we get a palindrome (235404532).

The spelling of 205202030 in words is "two hundred five million, two hundred two thousand, thirty".