320211000420305 has 32 divisors (see below), whose sum is σ = 394656081228288. Its totient is φ = 249278068166400.

The previous prime is 320211000420301. The next prime is 320211000420359. The reversal of 320211000420305 is 503024000112023.

It is not a de Polignac number, because 320211000420305 - 2² = 320211000420301 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320211000420301) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1662845087 + ... + 1663037643.

It is an arithmetic number, because the mean of its divisors is an integer number (12333002538384).

Almost surely, 2^{320211000420305} is an apocalyptic number.

It is an amenable number.

320211000420305 is a deficient number, since it is larger than the sum of its proper divisors (74445080807983).

320211000420305 is a wasteful number, since it uses less digits than its factorization.

320211000420305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221417.

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 320211000420305 its reverse (503024000112023), we get a palindrome (823235000532328).

The spelling of 320211000420305 in words is "three hundred twenty trillion, two hundred eleven billion, four hundred twenty thousand, three hundred five".