32133620 has 12 divisors (see below), whose sum is σ = 67480644. Its totient is φ = 12853440.

The previous prime is 32133613. The next prime is 32133659. The reversal of 32133620 is 2633123.

It can be written as a sum of positive squares in 2 ways, for example, as 11102224 + 21031396 = 3332^2 + 4586^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 1606681 = 32133620 / (3 + 2 + 1 + 3 + 3 + 6 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 32133592 and 32133601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 803321 + ... + 803360.

It is an arithmetic number, because the mean of its divisors is an integer number (5623387).

Almost surely, 2^32133620 is an apocalyptic number.

It is an amenable number.

32133620 is an abundant number, since it is smaller than the sum of its proper divisors (35347024).

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

32133620 is a wasteful number, since it uses less digits than its factorization.

32133620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1606690 (or 1606688 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 32133620 is about 5668.6523971752. The cubic root of 32133620 is about 317.9214895248.

Adding to 32133620 its reverse (2633123), we get a palindrome (34766743).

The spelling of 32133620 in words is "thirty-two million, one hundred thirty-three thousand, six hundred twenty".