32120420 has 24 divisors (see below), whose sum is σ = 70386624. Its totient is φ = 12289376.

The previous prime is 32120383. The next prime is 32120423. The reversal of 32120420 is 2402123.

It is a junction number, because it is equal to n+sod(n) for n = 32120395 and 32120404.

It is not an unprimeable number, because it can be changed into a prime (32120423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34454 + ... + 35373.

It is an arithmetic number, because the mean of its divisors is an integer number (2932776).

Almost surely, 2^32120420 is an apocalyptic number.

It is an amenable number.

32120420 is an abundant number, since it is smaller than the sum of its proper divisors (38266204).

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

32120420 is a wasteful number, since it uses less digits than its factorization.

32120420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69859 (or 69857 counting only the distinct ones).

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

The square root of 32120420 is about 5667.4879796961. The cubic root of 32120420 is about 317.8779511329.

Adding to 32120420 its reverse (2402123), we get a palindrome (34522543).

The spelling of 32120420 in words is "thirty-two million, one hundred twenty thousand, four hundred twenty".