320120202030 has 64 divisors (see below), whose sum is σ = 793317888000. Its totient is φ = 82586050560.

The previous prime is 320120202011. The next prime is 320120202037. The reversal of 320120202030 is 30202021023.

It is a super-2 number, since 2×320120202030² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320120202037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3044271 + ... + 3147669.

It is an arithmetic number, because the mean of its divisors is an integer number (12395592000).

Almost surely, 2^320120202030 is an apocalyptic number.

320120202030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

320120202030 is an abundant number, since it is smaller than the sum of its proper divisors (473197685970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

320120202030 is a wasteful number, since it uses less digits than its factorization.

320120202030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106769.

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 320120202030 its reverse (30202021023), we get a palindrome (350322223053).

The spelling of 320120202030 in words is "three hundred twenty billion, one hundred twenty million, two hundred two thousand, thirty".