32700220 has 48 divisors (see below), whose sum is σ = 79123968. Its totient is φ = 11119680.

The previous prime is 32700211. The next prime is 32700223. The reversal of 32700220 is 2200723.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 32700194 and 32700203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32700223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17449 + ... + 19231.

It is an arithmetic number, because the mean of its divisors is an integer number (1648416).

Almost surely, 2^32700220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32700220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39561984).

32700220 is an abundant number, since it is smaller than the sum of its proper divisors (46423748).

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

32700220 is a wasteful number, since it uses less digits than its factorization.

32700220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1930 (or 1928 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 16.

The square root of 32700220 is about 5718.4106183449. The cubic root of 32700220 is about 319.7792096756.

Adding to 32700220 its reverse (2200723), we get a palindrome (34900943).

The spelling of 32700220 in words is "thirty-two million, seven hundred thousand, two hundred twenty".