65120330 has 32 divisors (see below), whose sum is σ = 128459520. Its totient is φ = 23571520.

The previous prime is 65120329. The next prime is 65120339. The reversal of 65120330 is 3302156.

It is not an unprimeable number, because it can be changed into a prime (65120339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25052 + ... + 27528.

It is an arithmetic number, because the mean of its divisors is an integer number (4014360).

Almost surely, 2^65120330 is an apocalyptic number.

65120330 is a deficient number, since it is larger than the sum of its proper divisors (63339190).

65120330 is a wasteful number, since it uses less digits than its factorization.

65120330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2734.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 65120330 is about 8069.7168475728. The cubic root of 65120330 is about 402.3205326214.

Adding to 65120330 its reverse (3302156), we get a palindrome (68422486).

The spelling of 65120330 in words is "sixty-five million, one hundred twenty thousand, three hundred thirty".