20725848 has 192 divisors, whose sum is σ = 69266400. Its totient is φ = 5702400.

The previous prime is 20725813. The next prime is 20725853. The reversal of 20725848 is 84852702.

It is a happy number.

20725848 is a `hidden beast` number, since 2 + 0 + 72 + 584 + 8 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 339738 + ... + 339798.

Almost surely, 2^20725848 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 20725848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34633200).

20725848 is an abundant number, since it is smaller than the sum of its proper divisors (48540552).

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

20725848 is a wasteful number, since it uses less digits than its factorization.

20725848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111 (or 90 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 36.

The square root of 20725848 is about 4552.5649912989. The cubic root of 20725848 is about 274.6865762529.

The spelling of 20725848 in words is "twenty million, seven hundred twenty-five thousand, eight hundred forty-eight".