20302131321303 has 32 divisors (see below), whose sum is σ = 30690506112000. Its totient is φ = 11834354088576.

The previous prime is 20302131321271. The next prime is 20302131321323. The reversal of 20302131321303 is 30312313120302.

It is not a de Polignac number, because 20302131321303 - 2⁵ = 20302131321271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20302131321323) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3177826 + ... + 7120592.

It is an arithmetic number, because the mean of its divisors is an integer number (959078316000).

Almost surely, 2^{20302131321303} is an apocalyptic number.

20302131321303 is a deficient number, since it is larger than the sum of its proper divisors (10388374790697).

20302131321303 is a wasteful number, since it uses less digits than its factorization.

20302131321303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3949751.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 20302131321303 its reverse (30312313120302), we get a palindrome (50614444441605).

The spelling of 20302131321303 in words is "twenty trillion, three hundred two billion, one hundred thirty-one million, three hundred twenty-one thousand, three hundred three".