20740848 has 40 divisors (see below), whose sum is σ = 55913088. Its totient is φ = 6612672.

The previous prime is 20740823. The next prime is 20740849. The reversal of 20740848 is 84804702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20740849) 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, 8290 + ... + 10497.

Almost surely, 2^20740848 is an apocalyptic number.

It is an amenable number.

20740848 is an abundant number, since it is smaller than the sum of its proper divisors (35172240).

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

20740848 is a wasteful number, since it uses less digits than its factorization.

20740848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18821 (or 18815 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 33.

The square root of 20740848 is about 4554.2121162721. The cubic root of 20740848 is about 274.7528269405.

The spelling of 20740848 in words is "twenty million, seven hundred forty thousand, eight hundred forty-eight".