21200220096 has 112 divisors (see below), whose sum is σ = 61340146560. Its totient is φ = 6408709120.

The previous prime is 21200220053. The next prime is 21200220101. The reversal of 21200220096 is 69002200212.

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

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 872950 + ... + 896906.

It is an arithmetic number, because the mean of its divisors is an integer number (547679880).

Almost surely, 2^21200220096 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 21200220096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30670073280).

21200220096 is an abundant number, since it is smaller than the sum of its proper divisors (40139926464).

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

21200220096 is a wasteful number, since it uses less digits than its factorization.

21200220096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24402 (or 24392 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The spelling of 21200220096 in words is "twenty-one billion, two hundred million, two hundred twenty thousand, ninety-six".