20020225 has 12 divisors (see below), whose sum is σ = 25176960. Its totient is φ = 15789200.

The previous prime is 20020223. The next prime is 20020267. The reversal of 20020225 is 52202002.

It is not a de Polignac number, because 20020225 - 2¹ = 20020223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20020223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3865 + ... + 7414.

It is an arithmetic number, because the mean of its divisors is an integer number (2098080).

Almost surely, 2^20020225 is an apocalyptic number.

20020225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20020225 is a deficient number, since it is larger than the sum of its proper divisors (5156735).

20020225 is a wasteful number, since it uses less digits than its factorization.

20020225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11360 (or 11355 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 13.

The square root of 20020225 is about 4474.3966073651. The cubic root of 20020225 is about 271.5332293280.

Adding to 20020225 its reverse (52202002), we get a palindrome (72222227).

The spelling of 20020225 in words is "twenty million, twenty thousand, two hundred twenty-five".