10002020109 has 16 divisors (see below), whose sum is σ = 14061643200. Its totient is φ = 6306391296.

The previous prime is 10002020107. The next prime is 10002020111. The reversal of 10002020109 is 90102020001.

It is a happy number.

10002020109 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (10002020107) and next prime (10002020111).

It is not a de Polignac number, because 10002020109 - 2¹ = 10002020107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10002020101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114154 + ... + 181755.

It is an arithmetic number, because the mean of its divisors is an integer number (878852700).

Almost surely, 2^10002020109 is an apocalyptic number.

10002020109 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

10002020109 is a deficient number, since it is larger than the sum of its proper divisors (4059623091).

10002020109 is a wasteful number, since it uses less digits than its factorization.

10002020109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296524.

The product of its (nonzero) digits is 36, while the sum is 15.

The spelling of 10002020109 in words is "ten billion, two million, twenty thousand, one hundred nine".