20120023369 has 2 divisors, whose sum is σ = 20120023370. Its totient is φ = 20120023368.

The previous prime is 20120023271. The next prime is 20120023393. The reversal of 20120023369 is 96332002102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11106419769 + 9013603600 = 105387^2 + 94940^2 .

It is a cyclic number.

It is not a de Polignac number, because 20120023369 - 2¹⁷ = 20119892297 is a prime.

It is a super-2 number, since 2×20120023369² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20120023769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10060011684 + 10060011685.

It is an arithmetic number, because the mean of its divisors is an integer number (10060011685).

Almost surely, 2^20120023369 is an apocalyptic number.

It is an amenable number.

20120023369 is a deficient number, since it is larger than the sum of its proper divisors (1).

20120023369 is an equidigital number, since it uses as much as digits as its factorization.

20120023369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 28.

The spelling of 20120023369 in words is "twenty billion, one hundred twenty million, twenty-three thousand, three hundred sixty-nine".