10209820069 has 16 divisors (see below), whose sum is σ = 11232446400. Its totient is φ = 9242601984.

The previous prime is 10209820051. The next prime is 10209820081. The reversal of 10209820069 is 96002890201.

10209820069 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10209820069 - 2¹³ = 10209811877 is a prime.

It is a super-2 number, since 2×10209820069² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10209820969) 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 in 15 ways as a sum of consecutive naturals, for example, 42067 + ... + 148960.

It is an arithmetic number, because the mean of its divisors is an integer number (702027900).

Almost surely, 2^10209820069 is an apocalyptic number.

10209820069 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

10209820069 is a deficient number, since it is larger than the sum of its proper divisors (1022626331).

10209820069 is a wasteful number, since it uses less digits than its factorization.

10209820069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191172.

The product of its (nonzero) digits is 15552, while the sum is 37.

The spelling of 10209820069 in words is "ten billion, two hundred nine million, eight hundred twenty thousand, sixty-nine".