411520205 has 8 divisors (see below), whose sum is σ = 495570912. Its totient is φ = 328051728.

The previous prime is 411520177. The next prime is 411520211. The reversal of 411520205 is 502025114.

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 411520205 - 2⁸ = 411519949 is a prime.

It is a Duffinian number.

It is a Curzon number.

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, 143999 + ... + 146828.

It is an arithmetic number, because the mean of its divisors is an integer number (61946364).

Almost surely, 2^411520205 is an apocalyptic number.

It is an amenable number.

411520205 is a deficient number, since it is larger than the sum of its proper divisors (84050707).

411520205 is a wasteful number, since it uses less digits than its factorization.

411520205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291115.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 411520205 is about 20285.9607857257. The cubic root of 411520205 is about 743.8129256837.

Adding to 411520205 its reverse (502025114), we get a palindrome (913545319).

The spelling of 411520205 in words is "four hundred eleven million, five hundred twenty thousand, two hundred five".