20532960 has 288 divisors, whose sum is σ = 84460320. Its totient is φ = 4644864.

The previous prime is 20532949. The next prime is 20532961. The reversal of 20532960 is 6923502.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20532961) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 211632 + ... + 211728.

It is an arithmetic number, because the mean of its divisors is an integer number (293265).

Almost surely, 2^20532960 is an apocalyptic number.

20532960 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 20532960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42230160).

20532960 is an abundant number, since it is smaller than the sum of its proper divisors (63927360).

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

20532960 is a wasteful number, since it uses less digits than its factorization.

20532960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135 (or 114 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 20532960 is about 4531.3309303118. The cubic root of 20532960 is about 273.8317826583.

The spelling of 20532960 in words is "twenty million, five hundred thirty-two thousand, nine hundred sixty".