10002020957 has 2 divisors, whose sum is σ = 10002020958. Its totient is φ = 10002020956.

The previous prime is 10002020953. The next prime is 10002021013. The reversal of 10002020957 is 75902020001.

10002020957 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7524868516 + 2477152441 = 86746^2 + 49771^2 .

It is a cyclic number.

It is not a de Polignac number, because 10002020957 - 2² = 10002020953 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10002020953) 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, 5001010478 + 5001010479.

It is an arithmetic number, because the mean of its divisors is an integer number (5001010479).

Almost surely, 2^10002020957 is an apocalyptic number.

It is an amenable number.

10002020957 is a deficient number, since it is larger than the sum of its proper divisors (1).

10002020957 is an equidigital number, since it uses as much as digits as its factorization.

10002020957 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1260, while the sum is 26.

Adding to 10002020957 its reverse (75902020001), we get a palindrome (85904040958).

The spelling of 10002020957 in words is "ten billion, two million, twenty thousand, nine hundred fifty-seven".