20712848 has 20 divisors (see below), whose sum is σ = 43218588. Its totient is φ = 9559680.

The previous prime is 20712847. The next prime is 20712871. The reversal of 20712848 is 84821702.

It can be written as a sum of positive squares in 2 ways, for example, as 10549504 + 10163344 = 3248^2 + 3188^2 .

It is a super-2 number, since 2×20712848² = 858044144542208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20712841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49583 + ... + 49998.

Almost surely, 2^20712848 is an apocalyptic number.

It is an amenable number.

20712848 is an abundant number, since it is smaller than the sum of its proper divisors (22505740).

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

20712848 is a wasteful number, since it uses less digits than its factorization.

20712848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99602 (or 99596 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 32.

The square root of 20712848 is about 4551.1370007944. The cubic root of 20712848 is about 274.6291331291.

The spelling of 20712848 in words is "twenty million, seven hundred twelve thousand, eight hundred forty-eight".