20120023271 has 2 divisors, whose sum is σ = 20120023272. Its totient is φ = 20120023270.

The previous prime is 20120023219. The next prime is 20120023369. The reversal of 20120023271 is 17232002102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20120023271 - 2³⁰ = 19046281447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20120023201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10060011635 + 10060011636.

It is an arithmetic number, because the mean of its divisors is an integer number (10060011636).

Almost surely, 2^20120023271 is an apocalyptic number.

20120023271 is a deficient number, since it is larger than the sum of its proper divisors (1).

20120023271 is an equidigital number, since it uses as much as digits as its factorization.

20120023271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 20.

Adding to 20120023271 its reverse (17232002102), we get a palindrome (37352025373).

The spelling of 20120023271 in words is "twenty billion, one hundred twenty million, twenty-three thousand, two hundred seventy-one".