20053582061 has 2 divisors, whose sum is σ = 20053582062. Its totient is φ = 20053582060.

The previous prime is 20053582057. The next prime is 20053582063. The reversal of 20053582061 is 16028535002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10301032036 + 9752550025 = 101494^2 + 98755^2 .

It is a cyclic number.

It is not a de Polignac number, because 20053582061 - 2² = 20053582057 is a prime.

It is a super-2 number, since 2×20053582061² (a number of 21 digits) contains 22 as substring.

Together with 20053582063, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20053582063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10026791030 + 10026791031.

It is an arithmetic number, because the mean of its divisors is an integer number (10026791031).

Almost surely, 2^20053582061 is an apocalyptic number.

It is an amenable number.

20053582061 is a deficient number, since it is larger than the sum of its proper divisors (1).

20053582061 is an equidigital number, since it uses as much as digits as its factorization.

20053582061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14400, while the sum is 32.

The spelling of 20053582061 in words is "twenty billion, fifty-three million, five hundred eighty-two thousand, sixty-one".