1020220122533 has 2 divisors, whose sum is σ = 1020220122534. Its totient is φ = 1020220122532.

The previous prime is 1020220122479. The next prime is 1020220122539. The reversal of 1020220122533 is 3352210220201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1020194942209 + 25180324 = 1010047^2 + 5018^2 .

It is a cyclic number.

It is not a de Polignac number, because 1020220122533 - 2²⁰ = 1020219073957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1020220122499 and 1020220122508.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1020220122539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510110061266 + 510110061267.

It is an arithmetic number, because the mean of its divisors is an integer number (510110061267).

Almost surely, 2^{1020220122533} is an apocalyptic number.

It is an amenable number.

1020220122533 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020220122533 is an equidigital number, since it uses as much as digits as its factorization.

1020220122533 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 1020220122533 its reverse (3352210220201), we get a palindrome (4372430342734).

The spelling of 1020220122533 in words is "one trillion, twenty billion, two hundred twenty million, one hundred twenty-two thousand, five hundred thirty-three".