21010096 has 20 divisors (see below), whose sum is σ = 43102152. Its totient is φ = 9886976.

The previous prime is 21010069. The next prime is 21010097. The reversal of 21010096 is 69001012.

It is not an unprimeable number, because it can be changed into a prime (21010097) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38350 + ... + 38893.

Almost surely, 2^21010096 is an apocalyptic number.

It is an amenable number.

21010096 is an abundant number, since it is smaller than the sum of its proper divisors (22092056).

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

21010096 is a wasteful number, since it uses less digits than its factorization.

21010096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77268 (or 77262 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 21010096 is about 4583.6771265001. The cubic root of 21010096 is about 275.9366234095.

The spelling of 21010096 in words is "twenty-one million, ten thousand, ninety-six".