320120364636506 has 16 divisors (see below), whose sum is σ = 553812426372480. Its totient is φ = 135935777381040.

The previous prime is 320120364636497. The next prime is 320120364636559. The reversal of 320120364636506 is 605636463021023.

It is a super-2 number, since 2×320120364636506² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104888715590 + ... + 104888718641.

It is an arithmetic number, because the mean of its divisors is an integer number (34613276648280).

Almost surely, 2^{320120364636506} is an apocalyptic number.

320120364636506 is a deficient number, since it is larger than the sum of its proper divisors (233692061735974).

320120364636506 is a wasteful number, since it uses less digits than its factorization.

320120364636506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209777434349.

The product of its (nonzero) digits is 2799360, while the sum is 47.

The spelling of 320120364636506 in words is "three hundred twenty trillion, one hundred twenty billion, three hundred sixty-four million, six hundred thirty-six thousand, five hundred six".