20225330 has 32 divisors (see below), whose sum is σ = 38320128. Its totient is φ = 7675200.

The previous prime is 20225327. The next prime is 20225353. The reversal of 20225330 is 3352202.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20225299 and 20225308.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15815 + ... + 17045.

It is an arithmetic number, because the mean of its divisors is an integer number (1197504).

Almost surely, 2^20225330 is an apocalyptic number.

20225330 is a deficient number, since it is larger than the sum of its proper divisors (18094798).

20225330 is a wasteful number, since it uses less digits than its factorization.

20225330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1322.

The product of its (nonzero) digits is 360, while the sum is 17.

The square root of 20225330 is about 4497.2580535255. The cubic root of 20225330 is about 272.4573566243.

Adding to 20225330 its reverse (3352202), we get a palindrome (23577532).

The spelling of 20225330 in words is "twenty million, two hundred twenty-five thousand, three hundred thirty".