20442141337 has 2 divisors, whose sum is σ = 20442141338. Its totient is φ = 20442141336.

The previous prime is 20442141281. The next prime is 20442141347. The reversal of 20442141337 is 73314124402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20442136576 + 4761 = 142976^2 + 69^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20442141337 is a prime.

It is a super-2 number, since 2×20442141337² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20442141299 and 20442141308.

It is not a weakly prime, because it can be changed into another prime (20442141347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10221070668 + 10221070669.

It is an arithmetic number, because the mean of its divisors is an integer number (10221070669).

Almost surely, 2^20442141337 is an apocalyptic number.

It is an amenable number.

20442141337 is a deficient number, since it is larger than the sum of its proper divisors (1).

20442141337 is an equidigital number, since it uses as much as digits as its factorization.

20442141337 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 31.

Adding to 20442141337 its reverse (73314124402), we get a palindrome (93756265739).

The spelling of 20442141337 in words is "twenty billion, four hundred forty-two million, one hundred forty-one thousand, three hundred thirty-seven".