20532512 has 96 divisors (see below), whose sum is σ = 54359424. Its totient is φ = 7372800.

The previous prime is 20532511. The next prime is 20532517. The reversal of 20532512 is 21523502.

It is not an unprimeable number, because it can be changed into a prime (20532511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31712 + ... + 32352.

It is an arithmetic number, because the mean of its divisors is an integer number (566244).

Almost surely, 2^20532512 is an apocalyptic number.

20532512 is a gapful number since it is divisible by the number (22) 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 20532512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27179712).

20532512 is an abundant number, since it is smaller than the sum of its proper divisors (33826912).

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

20532512 is a wasteful number, since it uses less digits than its factorization.

20532512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682 (or 674 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 20532512 is about 4531.2814964423. The cubic root of 20532512 is about 273.8297911037.

The spelling of 20532512 in words is "twenty million, five hundred thirty-two thousand, five hundred twelve".