20995872282 has 192 divisors, whose sum is σ = 57407201280. Its totient is φ = 5387558400.

The previous prime is 20995872277. The next prime is 20995872301. The reversal of 20995872282 is 28227859902.

20995872282 is a `hidden beast` number, since 209 + 95 + 8 + 72 + 282 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 79832083 + ... + 79832345.

It is an arithmetic number, because the mean of its divisors is an integer number (298995840).

Almost surely, 2^20995872282 is an apocalyptic number.

20995872282 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 20995872282, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28703600640).

20995872282 is an abundant number, since it is smaller than the sum of its proper divisors (36411328998).

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

20995872282 is a wasteful number, since it uses less digits than its factorization.

20995872282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 769 (or 766 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 54.

The spelling of 20995872282 in words is "twenty billion, nine hundred ninety-five million, eight hundred seventy-two thousand, two hundred eighty-two".