10920001128 has 32 divisors (see below), whose sum is σ = 27413295360. Its totient is φ = 3624894720.

The previous prime is 10920001117. The next prime is 10920001129. The reversal of 10920001128 is 82110002901.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 10920001098 and 10920001107.

It is not an unprimeable number, because it can be changed into a prime (10920001129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 938200 + ... + 949767.

It is an arithmetic number, because the mean of its divisors is an integer number (856665480).

Almost surely, 2^10920001128 is an apocalyptic number.

It is an amenable number.

10920001128 is an abundant number, since it is smaller than the sum of its proper divisors (16493294232).

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

10920001128 is a wasteful number, since it uses less digits than its factorization.

10920001128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1888217 (or 1888213 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 24.

The spelling of 10920001128 in words is "ten billion, nine hundred twenty million, one thousand, one hundred twenty-eight".