20120131327 has 2 divisors, whose sum is σ = 20120131328. Its totient is φ = 20120131326.

The previous prime is 20120131319. The next prime is 20120131379. The reversal of 20120131327 is 72313102102.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20120131327 - 2³ = 20120131319 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20120131298 and 20120131307.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20120131387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10060065663 + 10060065664.

It is an arithmetic number, because the mean of its divisors is an integer number (10060065664).

Almost surely, 2^20120131327 is an apocalyptic number.

20120131327 is a deficient number, since it is larger than the sum of its proper divisors (1).

20120131327 is an equidigital number, since it uses as much as digits as its factorization.

20120131327 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 22.

Adding to 20120131327 its reverse (72313102102), we get a palindrome (92433233429).

The spelling of 20120131327 in words is "twenty billion, one hundred twenty million, one hundred thirty-one thousand, three hundred twenty-seven".