32445020 has 24 divisors (see below), whose sum is σ = 68256384. Its totient is φ = 12954816.

The previous prime is 32445001. The next prime is 32445029. The reversal of 32445020 is 2054423.

32445020 = T₃₆₀₀ + T₃₆₀₁ + ... + T₃₆₀₄.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 32444983 and 32445001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32445029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14069 + ... + 16211.

It is an arithmetic number, because the mean of its divisors is an integer number (2844016).

Almost surely, 2^32445020 is an apocalyptic number.

It is an amenable number.

32445020 is an abundant number, since it is smaller than the sum of its proper divisors (35811364).

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

32445020 is a wasteful number, since it uses less digits than its factorization.

32445020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2909 (or 2907 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 32445020 is about 5696.0530194162. The cubic root of 32445020 is about 318.9451594815.

Adding to 32445020 its reverse (2054423), we get a palindrome (34499443).

The spelling of 32445020 in words is "thirty-two million, four hundred forty-five thousand, twenty".