320023220330 has 32 divisors (see below), whose sum is σ = 628445977920. Its totient is φ = 116365275520.

The previous prime is 320023220303. The next prime is 320023220381. The reversal of 320023220330 is 33022320023.

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, 2046377 + ... + 2197203.

It is an arithmetic number, because the mean of its divisors is an integer number (19638936810).

Almost surely, 2^320023220330 is an apocalyptic number.

320023220330 is a deficient number, since it is larger than the sum of its proper divisors (308422757590).

320023220330 is a wasteful number, since it uses less digits than its factorization.

320023220330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170134.

The product of its (nonzero) digits is 1296, while the sum is 20.

Adding to 320023220330 its reverse (33022320023), we get a palindrome (353045540353).

The spelling of 320023220330 in words is "three hundred twenty billion, twenty-three million, two hundred twenty thousand, three hundred thirty".