20311210302 has 16 divisors (see below), whose sum is σ = 40773436560. Its totient is φ = 6745234112.

The previous prime is 20311210289. The next prime is 20311210333. The reversal of 20311210302 is 20301211302.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6290583 + ... + 6293810.

It is an arithmetic number, because the mean of its divisors is an integer number (2548339785).

Almost surely, 2^20311210302 is an apocalyptic number.

20311210302 is an abundant number, since it is smaller than the sum of its proper divisors (20462226258).

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

20311210302 is a wasteful number, since it uses less digits than its factorization.

20311210302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12584667.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 20311210302 its reverse (20301211302), we get a palindrome (40612421604).

The spelling of 20311210302 in words is "twenty billion, three hundred eleven million, two hundred ten thousand, three hundred two".