1010020010985 has 128 divisors (see below), whose sum is σ = 1838216540160. Its totient is φ = 526062647808.

The previous prime is 1010020010971. The next prime is 1010020010999. The reversal of 1010020010985 is 5890100200101.

It is an interprime number because it is at equal distance from previous prime (1010020010971) and next prime (1010020010999).

It is not a de Polignac number, because 1010020010985 - 2¹⁰ = 1010020009961 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1027486804 + ... + 1027487786.

It is an arithmetic number, because the mean of its divisors is an integer number (14361066720).

Almost surely, 2^{1010020010985} is an apocalyptic number.

1010020010985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1010020010985 is a deficient number, since it is larger than the sum of its proper divisors (828196529175).

1010020010985 is a wasteful number, since it uses less digits than its factorization.

1010020010985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2044 (or 2038 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 27.

The spelling of 1010020010985 in words is "one trillion, ten billion, twenty million, ten thousand, nine hundred eighty-five".