10020761 has 2 divisors, whose sum is σ = 10020762. Its totient is φ = 10020760.

The previous prime is 10020749. The next prime is 10020793. The reversal of 10020761 is 16702001.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9486400 + 534361 = 3080^2 + 731^2 .

It is a cyclic number.

It is not a de Polignac number, because 10020761 - 2¹⁴ = 10004377 is a prime.

It is not a weakly prime, because it can be changed into another prime (10010761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5010380 + 5010381.

It is an arithmetic number, because the mean of its divisors is an integer number (5010381).

Almost surely, 2^10020761 is an apocalyptic number.

It is an amenable number.

10020761 is a deficient number, since it is larger than the sum of its proper divisors (1).

10020761 is an equidigital number, since it uses as much as digits as its factorization.

10020761 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 10020761 is about 3165.5585605071. The cubic root of 10020761 is about 215.5924600060.

Adding to 10020761 its reverse (16702001), we get a palindrome (26722762).

The spelling of 10020761 in words is "ten million, twenty thousand, seven hundred sixty-one".