355120205 has 8 divisors (see below), whose sum is σ = 464884704. Its totient is φ = 258269200.

The previous prime is 355120151. The next prime is 355120211. The reversal of 355120205 is 502021553.

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

It is not a de Polignac number, because 355120205 - 2¹⁸ = 354858061 is a prime.

It is a super-2 number, since 2×355120205² = 252220719998484050, which contains 22 as substring.

It is a Duffinian 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, 3228311 + ... + 3228420.

It is an arithmetic number, because the mean of its divisors is an integer number (58110588).

Almost surely, 2^355120205 is an apocalyptic number.

It is an amenable number.

355120205 is a deficient number, since it is larger than the sum of its proper divisors (109764499).

355120205 is a wasteful number, since it uses less digits than its factorization.

355120205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6456747.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 355120205 is about 18844.6333209219. The cubic root of 355120205 is about 708.1497849062.

Adding to 355120205 its reverse (502021553), we get a palindrome (857141758).

The spelling of 355120205 in words is "three hundred fifty-five million, one hundred twenty thousand, two hundred five".