433420220 has 96 divisors (see below), whose sum is σ = 978360768. Its totient is φ = 161021952.

The previous prime is 433420217. The next prime is 433420237. The reversal of 433420220 is 22024334.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 433420192 and 433420201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1686332 + ... + 1686588.

It is an arithmetic number, because the mean of its divisors is an integer number (10191258).

Almost surely, 2^433420220 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 433420220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (489180384).

433420220 is an abundant number, since it is smaller than the sum of its proper divisors (544940548).

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

433420220 is a wasteful number, since it uses less digits than its factorization.

433420220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399 (or 397 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 433420220 is about 20818.7468402880. The cubic root of 433420220 is about 756.7801335358.

Adding to 433420220 its reverse (22024334), we get a palindrome (455444554).

The spelling of 433420220 in words is "four hundred thirty-three million, four hundred twenty thousand, two hundred twenty".