220320723475613 has 16 divisors (see below), whose sum is σ = 236735474307840. Its totient is φ = 204306294821376.

The previous prime is 220320723475597. The next prime is 220320723475661. The reversal of 220320723475613 is 316574327023022.

It is a happy number.

220320723475613 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 220320723475613 - 2⁴ = 220320723475597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220320723475693) 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, 256848245 + ... + 257704602.

It is an arithmetic number, because the mean of its divisors is an integer number (14795967144240).

Almost surely, 2^{220320723475613} is an apocalyptic number.

It is an amenable number.

220320723475613 is a deficient number, since it is larger than the sum of its proper divisors (16414750832227).

220320723475613 is a wasteful number, since it uses less digits than its factorization.

220320723475613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514553236.

The product of its (nonzero) digits is 2540160, while the sum is 47.

The spelling of 220320723475613 in words is "two hundred twenty trillion, three hundred twenty billion, seven hundred twenty-three million, four hundred seventy-five thousand, six hundred thirteen".