1020266850009 has 32 divisors (see below), whose sum is σ = 1486895616000. Its totient is φ = 617148128960.

The previous prime is 1020266849981. The next prime is 1020266850041. The reversal of 1020266850009 is 9000586620201.

It is not a de Polignac number, because 1020266850009 - 2⁷ = 1020266849881 is a prime.

It is a super-3 number, since 3×1020266850009³ (a number of 37 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1020266850089) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54061627 + ... + 54080495.

It is an arithmetic number, because the mean of its divisors is an integer number (46465488000).

Almost surely, 2^{1020266850009} is an apocalyptic number.

It is an amenable number.

1020266850009 is a deficient number, since it is larger than the sum of its proper divisors (466628765991).

1020266850009 is a wasteful number, since it uses less digits than its factorization.

1020266850009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21965.

The product of its (nonzero) digits is 51840, while the sum is 39.

The spelling of 1020266850009 in words is "one trillion, twenty billion, two hundred sixty-six million, eight hundred fifty thousand, nine".