20223320221513 has 2 divisors, whose sum is σ = 20223320221514. Its totient is φ = 20223320221512.

The previous prime is 20223320221487. The next prime is 20223320221529. The reversal of 20223320221513 is 31512202332202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19686019493449 + 537300728064 = 4436893^2 + 733008^2 .

It is a cyclic number.

It is not a de Polignac number, because 20223320221513 - 2¹³ = 20223320213321 is a prime.

It is not a weakly prime, because it can be changed into another prime (20220320221513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10111660110756 + 10111660110757.

It is an arithmetic number, because the mean of its divisors is an integer number (10111660110757).

Almost surely, 2^{20223320221513} is an apocalyptic number.

It is an amenable number.

20223320221513 is a deficient number, since it is larger than the sum of its proper divisors (1).

20223320221513 is an equidigital number, since it uses as much as digits as its factorization.

20223320221513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 20223320221513 its reverse (31512202332202), we get a palindrome (51735522553715).

The spelling of 20223320221513 in words is "twenty trillion, two hundred twenty-three billion, three hundred twenty million, two hundred twenty-one thousand, five hundred thirteen".