20221012013 has 2 divisors, whose sum is σ = 20221012014. Its totient is φ = 20221012012.

The previous prime is 20221011973. The next prime is 20221012039. The reversal of 20221012013 is 31021012202.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12422885764 + 7798126249 = 111458^2 + 88307^2 .

It is a cyclic number.

It is not a de Polignac number, because 20221012013 - 2⁶ = 20221011949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20221012213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10110506006 + 10110506007.

It is an arithmetic number, because the mean of its divisors is an integer number (10110506007).

Almost surely, 2^20221012013 is an apocalyptic number.

It is an amenable number.

20221012013 is a deficient number, since it is larger than the sum of its proper divisors (1).

20221012013 is an equidigital number, since it uses as much as digits as its factorization.

20221012013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 20221012013 its reverse (31021012202), we get a palindrome (51242024215).

The spelling of 20221012013 in words is "twenty billion, two hundred twenty-one million, twelve thousand, thirteen".