20320120302 has 16 divisors (see below), whose sum is σ = 40936886352. Its totient is φ = 6723932480.

The previous prime is 20320120297. The next prime is 20320120309. The reversal of 20320120302 is 20302102302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20320120309) 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, 12359349 + ... + 12360992.

It is an arithmetic number, because the mean of its divisors is an integer number (2558555397).

Almost surely, 2^20320120302 is an apocalyptic number.

20320120302 is an abundant number, since it is smaller than the sum of its proper divisors (20616766050).

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

20320120302 is a wasteful number, since it uses less digits than its factorization.

20320120302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24720483.

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

Adding to 20320120302 its reverse (20302102302), we get a palindrome (40622222604).

The spelling of 20320120302 in words is "twenty billion, three hundred twenty million, one hundred twenty thousand, three hundred two".