20331301310020 has 12 divisors (see below), whose sum is σ = 42695732751084. Its totient is φ = 8132520524000.

The previous prime is 20331301309961. The next prime is 20331301310027. The reversal of 20331301310020 is 2001310313302.

It can be written as a sum of positive squares in 2 ways, for example, as 5108693898564 + 15222607411456 = 2260242^2 + 3901616^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20331301310020.

It is not an unprimeable number, because it can be changed into a prime (20331301310027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 508282532731 + ... + 508282532770.

It is an arithmetic number, because the mean of its divisors is an integer number (3557977729257).

Almost surely, 2^{20331301310020} is an apocalyptic number.

20331301310020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20331301310020 is an abundant number, since it is smaller than the sum of its proper divisors (22364431441064).

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

20331301310020 is a wasteful number, since it uses less digits than its factorization.

20331301310020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016565065510 (or 1016565065508 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 20331301310020 its reverse (2001310313302), we get a palindrome (22332611623322).

The spelling of 20331301310020 in words is "twenty trillion, three hundred thirty-one billion, three hundred one million, three hundred ten thousand, twenty".