20672848 has 40 divisors (see below), whose sum is σ = 46157760. Its totient is φ = 8785920.

The previous prime is 20672843. The next prime is 20672849. The reversal of 20672848 is 84827602.

It is a super-2 number, since 2×20672848² = 854733288862208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20672843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13968 + ... + 15376.

It is an arithmetic number, because the mean of its divisors is an integer number (1153944).

Almost surely, 2^20672848 is an apocalyptic number.

20672848 is a gapful number since it is divisible by the number (28) 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 20672848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23078880).

20672848 is an abundant number, since it is smaller than the sum of its proper divisors (25484912).

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

20672848 is a wasteful number, since it uses less digits than its factorization.

20672848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1555 (or 1549 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 37.

The square root of 20672848 is about 4546.7403708591. The cubic root of 20672848 is about 274.4522341608.

The spelling of 20672848 in words is "twenty million, six hundred seventy-two thousand, eight hundred forty-eight".