32012420 has 24 divisors (see below), whose sum is σ = 73338048. Its totient is φ = 11640800.

The previous prime is 32012401. The next prime is 32012423. The reversal of 32012420 is 2421023.

It is a junction number, because it is equal to n+sod(n) for n = 32012395 and 32012404.

It is not an unprimeable number, because it can be changed into a prime (32012423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72536 + ... + 72975.

It is an arithmetic number, because the mean of its divisors is an integer number (3055752).

Almost surely, 2^32012420 is an apocalyptic number.

It is an amenable number.

32012420 is an abundant number, since it is smaller than the sum of its proper divisors (41325628).

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

32012420 is a wasteful number, since it uses less digits than its factorization.

32012420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145531 (or 145529 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 32012420 is about 5657.9519262716. The cubic root of 32012420 is about 317.5212790831.

Adding to 32012420 its reverse (2421023), we get a palindrome (34433443).

The spelling of 32012420 in words is "thirty-two million, twelve thousand, four hundred twenty".