20795544 has 192 divisors, whose sum is σ = 73082880. Its totient is φ = 5227200.

The previous prime is 20795543. The next prime is 20795549. The reversal of 20795544 is 44559702.

20795544 is a `hidden beast` number, since 20 + 7 + 95 + 544 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 20795499 and 20795508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20795543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 670809 + ... + 670839.

It is an arithmetic number, because the mean of its divisors is an integer number (380640).

Almost surely, 2^20795544 is an apocalyptic number.

20795544 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20795544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36541440).

20795544 is an abundant number, since it is smaller than the sum of its proper divisors (52287336).

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

20795544 is a wasteful number, since it uses less digits than its factorization.

20795544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83 (or 54 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 20795544 is about 4560.2131529129. The cubic root of 20795544 is about 274.9941332082.

The spelling of 20795544 in words is "twenty million, seven hundred ninety-five thousand, five hundred forty-four".