220321332301387 has 2 divisors, whose sum is σ = 220321332301388. Its totient is φ = 220321332301386.

The previous prime is 220321332301319. The next prime is 220321332301403. The reversal of 220321332301387 is 783103233123022.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220321332301387 is a prime.

It is not a weakly prime, because it can be changed into another prime (220321332301307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110160666150693 + 110160666150694.

It is an arithmetic number, because the mean of its divisors is an integer number (110160666150694).

Almost surely, 2^{220321332301387} is an apocalyptic number.

220321332301387 is a deficient number, since it is larger than the sum of its proper divisors (1).

220321332301387 is an equidigital number, since it uses as much as digits as its factorization.

220321332301387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 217728, while the sum is 40.

The spelling of 220321332301387 in words is "two hundred twenty trillion, three hundred twenty-one billion, three hundred thirty-two million, three hundred one thousand, three hundred eighty-seven".