20020132277 has 2 divisors, whose sum is σ = 20020132278. Its totient is φ = 20020132276.

The previous prime is 20020132273. The next prime is 20020132357. The reversal of 20020132277 is 77223102002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14074025956 + 5946106321 = 118634^2 + 77111^2 .

It is a cyclic number.

It is not a de Polignac number, because 20020132277 - 2² = 20020132273 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20020132273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10010066138 + 10010066139.

It is an arithmetic number, because the mean of its divisors is an integer number (10010066139).

Almost surely, 2^20020132277 is an apocalyptic number.

It is an amenable number.

20020132277 is a deficient number, since it is larger than the sum of its proper divisors (1).

20020132277 is an equidigital number, since it uses as much as digits as its factorization.

20020132277 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2352, while the sum is 26.

Adding to 20020132277 its reverse (77223102002), we get a palindrome (97243234279).

The spelling of 20020132277 in words is "twenty billion, twenty million, one hundred thirty-two thousand, two hundred seventy-seven".