32425220 has 24 divisors (see below), whose sum is σ = 69249600. Its totient is φ = 12749792.

The previous prime is 32425207. The next prime is 32425243. The reversal of 32425220 is 2252423.

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 = 32425192 and 32425201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12560 + ... + 14919.

It is an arithmetic number, because the mean of its divisors is an integer number (2885400).

Almost surely, 2^32425220 is an apocalyptic number.

It is an amenable number.

32425220 is an abundant number, since it is smaller than the sum of its proper divisors (36824380).

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

32425220 is a wasteful number, since it uses less digits than its factorization.

32425220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27547 (or 27545 counting only the distinct ones).

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

The square root of 32425220 is about 5694.3147085492. The cubic root of 32425220 is about 318.8802661202.

32425220 divided by its sum of digits (20) gives a palindrome (1621261).

Adding to 32425220 its reverse (2252423), we get a palindrome (34677643).

The spelling of 32425220 in words is "thirty-two million, four hundred twenty-five thousand, two hundred twenty".