32020560 has 240 divisors, whose sum is σ = 126741888. Its totient is φ = 7142400.

The previous prime is 32020559. The next prime is 32020561. The reversal of 32020560 is 6502023.

It is an interprime number because it is at equal distance from previous prime (32020559) and next prime (32020561).

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32020561) 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, 102805 + ... + 103115.

Almost surely, 2^32020560 is an apocalyptic number.

32020560 is a gapful number since it is divisible by the number (30) 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 32020560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63370944).

32020560 is an abundant number, since it is smaller than the sum of its proper divisors (94721328).

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

32020560 is a wasteful number, since it uses less digits than its factorization.

32020560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354 (or 345 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 32020560 is about 5658.6712221157. The cubic root of 32020560 is about 317.5481895152.

Adding to 32020560 its reverse (6502023), we get a palindrome (38522583).

The spelling of 32020560 in words is "thirty-two million, twenty thousand, five hundred sixty".