20220540533 has 2 divisors, whose sum is σ = 20220540534. Its totient is φ = 20220540532.

The previous prime is 20220540499. The next prime is 20220540569. The reversal of 20220540533 is 33504502202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15199684369 + 5020856164 = 123287^2 + 70858^2 .

It is a cyclic number.

It is not a de Polignac number, because 20220540533 - 2¹² = 20220536437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20220540583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10110270266 + 10110270267.

It is an arithmetic number, because the mean of its divisors is an integer number (10110270267).

Almost surely, 2^20220540533 is an apocalyptic number.

It is an amenable number.

20220540533 is a deficient number, since it is larger than the sum of its proper divisors (1).

20220540533 is an equidigital number, since it uses as much as digits as its factorization.

20220540533 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 26.

The spelling of 20220540533 in words is "twenty billion, two hundred twenty million, five hundred forty thousand, five hundred thirty-three".