245433220 has 24 divisors (see below), whose sum is σ = 518503104. Its totient is φ = 97584096.

The previous prime is 245433217. The next prime is 245433239. The reversal of 245433220 is 22334542.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33402 + ... + 40081.

It is an arithmetic number, because the mean of its divisors is an integer number (21604296).

Almost surely, 2^245433220 is an apocalyptic number.

245433220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245433220 is an abundant number, since it is smaller than the sum of its proper divisors (273069884).

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

245433220 is a wasteful number, since it uses less digits than its factorization.

245433220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73659 (or 73657 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 245433220 is about 15666.3084356207. The cubic root of 245433220 is about 626.1010734804.

Adding to 245433220 its reverse (22334542), we get a palindrome (267767762).

The spelling of 245433220 in words is "two hundred forty-five million, four hundred thirty-three thousand, two hundred twenty".