10209691120 has 20 divisors (see below), whose sum is σ = 23737532040. Its totient is φ = 4083876416.

The previous prime is 10209691091. The next prime is 10209691153. The reversal of 10209691120 is 2119690201.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63810490 + ... + 63810649.

It is an arithmetic number, because the mean of its divisors is an integer number (1186876602).

Almost surely, 2^10209691120 is an apocalyptic number.

10209691120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10209691120 is an abundant number, since it is smaller than the sum of its proper divisors (13527840920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10209691120 is a wasteful number, since it uses less digits than its factorization.

10209691120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127621152 (or 127621146 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 31.

The spelling of 10209691120 in words is "ten billion, two hundred nine million, six hundred ninety-one thousand, one hundred twenty".