320120130220133 has 8 divisors (see below), whose sum is σ = 320751048339960. Its totient is φ = 319489219938240.

The previous prime is 320120130220127. The next prime is 320120130220193. The reversal of 320120130220133 is 331022031021023.

It can be written as a sum of positive squares in 4 ways, for example, as 39732372503044 + 280387757717089 = 6303362^2 + 16744783^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320120130220133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 320120130220099 and 320120130220108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320120130220193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83472203 + ... + 87222983.

It is an arithmetic number, because the mean of its divisors is an integer number (40093881042495).

Almost surely, 2^{320120130220133} is an apocalyptic number.

It is an amenable number.

320120130220133 is a deficient number, since it is larger than the sum of its proper divisors (630918119827).

320120130220133 is a wasteful number, since it uses less digits than its factorization.

320120130220133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3918967.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 320120130220133 its reverse (331022031021023), we get a palindrome (651142161241156).

The spelling of 320120130220133 in words is "three hundred twenty trillion, one hundred twenty billion, one hundred thirty million, two hundred twenty thousand, one hundred thirty-three".