20652896 has 48 divisors (see below), whose sum is σ = 46303488. Its totient is φ = 8976000.

The previous prime is 20652893. The next prime is 20652899. The reversal of 20652896 is 69825602.

It is an interprime number because it is at equal distance from previous prime (20652893) and next prime (20652899).

It is a super-2 number, since 2×20652896² = 853084226373632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20652893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6821 + ... + 9371.

It is an arithmetic number, because the mean of its divisors is an integer number (964656).

Almost surely, 2^20652896 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 20652896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23151744).

20652896 is an abundant number, since it is smaller than the sum of its proper divisors (25650592).

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

20652896 is a wasteful number, since it uses less digits than its factorization.

20652896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2595 (or 2587 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 20652896 is about 4544.5457418756. The cubic root of 20652896 is about 274.3639116493.

The spelling of 20652896 in words is "twenty million, six hundred fifty-two thousand, eight hundred ninety-six".