20202042533 has 2 divisors, whose sum is σ = 20202042534. Its totient is φ = 20202042532.

The previous prime is 20202042461. The next prime is 20202042547. The reversal of 20202042533 is 33524020202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16891421089 + 3310621444 = 129967^2 + 57538^2 .

It is a cyclic number.

It is not a de Polignac number, because 20202042533 - 2³² = 15907075237 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20202042499 and 20202042508.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20202041533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10101021266 + 10101021267.

It is an arithmetic number, because the mean of its divisors is an integer number (10101021267).

Almost surely, 2^20202042533 is an apocalyptic number.

It is an amenable number.

20202042533 is a deficient number, since it is larger than the sum of its proper divisors (1).

20202042533 is an equidigital number, since it uses as much as digits as its factorization.

20202042533 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 23.

Adding to 20202042533 its reverse (33524020202), we get a palindrome (53726062735).

The spelling of 20202042533 in words is "twenty billion, two hundred two million, forty-two thousand, five hundred thirty-three".