10220019985 has 32 divisors (see below), whose sum is σ = 14767534080. Its totient is φ = 6638182848.

The previous prime is 10220019977. The next prime is 10220019989. The reversal of 10220019985 is 58991002201.

It is a cyclic number.

It is not a de Polignac number, because 10220019985 - 2³ = 10220019977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10220019989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21286 + ... + 144544.

It is an arithmetic number, because the mean of its divisors is an integer number (461485440).

Almost surely, 2^10220019985 is an apocalyptic number.

It is an amenable number.

10220019985 is a deficient number, since it is larger than the sum of its proper divisors (4547514095).

10220019985 is a wasteful number, since it uses less digits than its factorization.

10220019985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123397.

The product of its (nonzero) digits is 12960, while the sum is 37.

The spelling of 10220019985 in words is "ten billion, two hundred twenty million, nineteen thousand, nine hundred eighty-five".