20734848 has 96 divisors (see below), whose sum is σ = 61261200. Its totient is φ = 6727680.

The previous prime is 20734843. The next prime is 20734853. The reversal of 20734848 is 84843702.

It is an interprime number because it is at equal distance from previous prime (20734843) and next prime (20734853).

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

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20734843) 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, 47013 + ... + 47451.

Almost surely, 2^20734848 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 20734848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30630600).

20734848 is an abundant number, since it is smaller than the sum of its proper divisors (40526352).

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

20734848 is a wasteful number, since it uses less digits than its factorization.

20734848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500 (or 485 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The square root of 20734848 is about 4553.5533377792. The cubic root of 20734848 is about 274.7263304997.

The spelling of 20734848 in words is "twenty million, seven hundred thirty-four thousand, eight hundred forty-eight".