20225490533 has 2 divisors, whose sum is σ = 20225490534. Its totient is φ = 20225490532.

The previous prime is 20225490517. The next prime is 20225490577. The reversal of 20225490533 is 33509452202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19658002849 + 567487684 = 140207^2 + 23822^2 .

It is a cyclic number.

It is not a de Polignac number, because 20225490533 - 2⁴ = 20225490517 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20225490493 and 20225490502.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20225499533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10112745266 + 10112745267.

It is an arithmetic number, because the mean of its divisors is an integer number (10112745267).

Almost surely, 2^20225490533 is an apocalyptic number.

It is an amenable number.

20225490533 is a deficient number, since it is larger than the sum of its proper divisors (1).

20225490533 is an equidigital number, since it uses as much as digits as its factorization.

20225490533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64800, while the sum is 35.

The spelling of 20225490533 in words is "twenty billion, two hundred twenty-five million, four hundred ninety thousand, five hundred thirty-three".