21002301096 has 128 divisors (see below), whose sum is σ = 61771610880. Its totient is φ = 5826502656.

The previous prime is 21002301071. The next prime is 21002301097. The reversal of 21002301096 is 69010320012.

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

It is not an unprimeable number, because it can be changed into a prime (21002301097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 851530 + ... + 875846.

It is an arithmetic number, because the mean of its divisors is an integer number (482590710).

Almost surely, 2^21002301096 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 21002301096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30885805440).

21002301096 is an abundant number, since it is smaller than the sum of its proper divisors (40769309784).

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

21002301096 is a wasteful number, since it uses less digits than its factorization.

21002301096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24483 (or 24479 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

The spelling of 21002301096 in words is "twenty-one billion, two million, three hundred one thousand, ninety-six".