10220129947 has 2 divisors, whose sum is σ = 10220129948. Its totient is φ = 10220129946.

The previous prime is 10220129939. The next prime is 10220129977. The reversal of 10220129947 is 74992102201.

10220129947 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 is a cyclic number.

It is not a de Polignac number, because 10220129947 - 2³ = 10220129939 is a prime.

It is a super-2 number, since 2×10220129947² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10220129977) 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, 5110064973 + 5110064974.

It is an arithmetic number, because the mean of its divisors is an integer number (5110064974).

Almost surely, 2^10220129947 is an apocalyptic number.

10220129947 is a deficient number, since it is larger than the sum of its proper divisors (1).

10220129947 is an equidigital number, since it uses as much as digits as its factorization.

10220129947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 37.

The spelling of 10220129947 in words is "ten billion, two hundred twenty million, one hundred twenty-nine thousand, nine hundred forty-seven".