20652960 has 96 divisors (see below), whose sum is σ = 68910912. Its totient is φ = 5181440.

The previous prime is 20652923. The next prime is 20652967. The reversal of 20652960 is 6925602.

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 (30).

It is not an unprimeable number, because it can be changed into a prime (20652967) 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 15 ways as a sum of consecutive naturals, for example, 6895 + ... + 9425.

It is an arithmetic number, because the mean of its divisors is an integer number (717822).

Almost surely, 2^20652960 is an apocalyptic number.

20652960 is a gapful number since it is divisible by the number (20) 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 20652960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34455456).

20652960 is an abundant number, since it is smaller than the sum of its proper divisors (48257952).

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

20652960 is a wasteful number, since it uses less digits than its factorization.

20652960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2566 (or 2558 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 20652960 is about 4544.5527832780. The cubic root of 20652960 is about 274.3641950523.

It can be divided in two parts, 20652 and 960, that added together give a palindrome (21612).

The spelling of 20652960 in words is "twenty million, six hundred fifty-two thousand, nine hundred sixty".