32220120 has 32 divisors (see below), whose sum is σ = 96660720. Its totient is φ = 8592000.

The previous prime is 32220109. The next prime is 32220121. The reversal of 32220120 is 2102223.

It is a super-2 number, since 2×32220120² = 2076272265628800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 32220096 and 32220105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32220121) 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, 134131 + ... + 134370.

Almost surely, 2^32220120 is an apocalyptic number.

32220120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

32220120 is an abundant number, since it is smaller than the sum of its proper divisors (64440600).

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

32220120 is a wasteful number, since it uses less digits than its factorization.

32220120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268515 (or 268511 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 32220120 is about 5676.2769488460. The cubic root of 32220120 is about 318.2065032673.

Adding to 32220120 its reverse (2102223), we get a palindrome (34322343).

The spelling of 32220120 in words is "thirty-two million, two hundred twenty thousand, one hundred twenty".