20010320321131 has 8 divisors (see below), whose sum is σ = 22928647532544. Its totient is φ = 17106920615400.

The previous prime is 20010320321113. The next prime is 20010320321141. The reversal of 20010320321131 is 13112302301002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20010320321131 - 2¹¹ = 20010320319083 is a prime.

It is a super-2 number, since 2×20010320321131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20010320321099 and 20010320321108.

It is not an unprimeable number, because it can be changed into a prime (20010320321141) 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, 3731873545 + ... + 3731878906.

It is an arithmetic number, because the mean of its divisors is an integer number (2866080941568).

Almost surely, 2^{20010320321131} is an apocalyptic number.

20010320321131 is a deficient number, since it is larger than the sum of its proper divisors (2918327211413).

20010320321131 is an equidigital number, since it uses as much as digits as its factorization.

20010320321131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7463752841.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 20010320321131 its reverse (13112302301002), we get a palindrome (33122622622133).

The spelling of 20010320321131 in words is "twenty trillion, ten billion, three hundred twenty million, three hundred twenty-one thousand, one hundred thirty-one".