21536082282 has 32 divisors (see below), whose sum is σ = 50602265280. Its totient is φ = 6024078720.

The previous prime is 21536082257. The next prime is 21536082329. The reversal of 21536082282 is 28228063512.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 21536082282.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12549307 + ... + 12551022.

It is an arithmetic number, because the mean of its divisors is an integer number (1581320790).

Almost surely, 2^21536082282 is an apocalyptic number.

21536082282 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21536082282 is an abundant number, since it is smaller than the sum of its proper divisors (29066182998).

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

21536082282 is a wasteful number, since it uses less digits than its factorization.

21536082282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25100358.

The product of its (nonzero) digits is 92160, while the sum is 39.

The spelling of 21536082282 in words is "twenty-one billion, five hundred thirty-six million, eighty-two thousand, two hundred eighty-two".