20758822272 has 96 divisors (see below), whose sum is σ = 59984341560. Its totient is φ = 6890803200.

The previous prime is 20758822181. The next prime is 20758822277. The reversal of 20758822272 is 27222885702.

20758822272 is a `hidden beast` number, since 20 + 7 + 588 + 22 + 27 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20758822277) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 240247 + ... + 315017.

Almost surely, 2^20758822272 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 20758822272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29992170780).

20758822272 is an abundant number, since it is smaller than the sum of its proper divisors (39225519288).

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

20758822272 is a wasteful number, since it uses less digits than its factorization.

20758822272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75032 (or 75017 counting only the distinct ones).

The product of its (nonzero) digits is 501760, while the sum is 45.

The spelling of 20758822272 in words is "twenty billion, seven hundred fifty-eight million, eight hundred twenty-two thousand, two hundred seventy-two".