235020665 has 16 divisors (see below), whose sum is σ = 325762560. Its totient is φ = 160869120.

The previous prime is 235020661. The next prime is 235020683. The reversal of 235020665 is 566020532.

It is a happy number.

It is not a de Polignac number, because 235020665 - 2² = 235020661 is a prime.

It is not an unprimeable number, because it can be changed into a prime (235020661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124745 + ... + 126614.

It is an arithmetic number, because the mean of its divisors is an integer number (20360160).

Almost surely, 2^235020665 is an apocalyptic number.

It is an amenable number.

235020665 is a deficient number, since it is larger than the sum of its proper divisors (90741895).

235020665 is a wasteful number, since it uses less digits than its factorization.

235020665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251392.

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 235020665 is about 15330.3837199204. The cubic root of 235020665 is about 617.1186672347.

The spelling of 235020665 in words is "two hundred thirty-five million, twenty thousand, six hundred sixty-five".