20202042337 has 2 divisors, whose sum is σ = 20202042338. Its totient is φ = 20202042336.

The previous prime is 20202042317. The next prime is 20202042347. The reversal of 20202042337 is 73324020202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15541112896 + 4660929441 = 124664^2 + 68271^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20202042337 is a prime.

It is not a weakly prime, because it can be changed into another prime (20202042307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10101021168 + 10101021169.

It is an arithmetic number, because the mean of its divisors is an integer number (10101021169).

Almost surely, 2^20202042337 is an apocalyptic number.

It is an amenable number.

20202042337 is a deficient number, since it is larger than the sum of its proper divisors (1).

20202042337 is an equidigital number, since it uses as much as digits as its factorization.

20202042337 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 25.

Adding to 20202042337 its reverse (73324020202), we get a palindrome (93526062539).

The spelling of 20202042337 in words is "twenty billion, two hundred two million, forty-two thousand, three hundred thirty-seven".