20121020341 has 2 divisors, whose sum is σ = 20121020342. Its totient is φ = 20121020340.

The previous prime is 20121020317. The next prime is 20121020347. The reversal of 20121020341 is 14302012102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12185952100 + 7935068241 = 110390^2 + 89079^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20121020341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20121020347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10060510170 + 10060510171.

It is an arithmetic number, because the mean of its divisors is an integer number (10060510171).

Almost surely, 2^20121020341 is an apocalyptic number.

It is an amenable number.

20121020341 is a deficient number, since it is larger than the sum of its proper divisors (1).

20121020341 is an equidigital number, since it uses as much as digits as its factorization.

20121020341 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 20121020341 its reverse (14302012102), we get a palindrome (34423032443).

The spelling of 20121020341 in words is "twenty billion, one hundred twenty-one million, twenty thousand, three hundred forty-one".