10010020157 has 2 divisors, whose sum is σ = 10010020158. Its totient is φ = 10010020156.

The previous prime is 10010020147. The next prime is 10010020231. The reversal of 10010020157 is 75102001001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9711905401 + 298114756 = 98549^2 + 17266^2 .

It is a cyclic number.

It is not a de Polignac number, because 10010020157 - 2¹² = 10010016061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10010020117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5005010078 + 5005010079.

It is an arithmetic number, because the mean of its divisors is an integer number (5005010079).

Almost surely, 2^10010020157 is an apocalyptic number.

It is an amenable number.

10010020157 is a deficient number, since it is larger than the sum of its proper divisors (1).

10010020157 is an equidigital number, since it uses as much as digits as its factorization.

10010020157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 70, while the sum is 17.

Adding to 10010020157 its reverse (75102001001), we get a palindrome (85112021158).

The spelling of 10010020157 in words is "ten billion, ten million, twenty thousand, one hundred fifty-seven".