1020332225 has 12 divisors (see below), whose sum is σ = 1380231600. Its totient is φ = 742059600.

The previous prime is 1020332189. The next prime is 1020332227. The reversal of 1020332225 is 5222330201.

It is not a de Polignac number, because 1020332225 - 2²² = 1016137921 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1020332197 and 1020332206.

It is not an unprimeable number, because it can be changed into a prime (1020332227) 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, 1854875 + ... + 1855424.

It is an arithmetic number, because the mean of its divisors is an integer number (115019300).

Almost surely, 2^1020332225 is an apocalyptic number.

It is an amenable number.

1020332225 is a deficient number, since it is larger than the sum of its proper divisors (359899375).

1020332225 is a wasteful number, since it uses less digits than its factorization.

1020332225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3710320 (or 3710315 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 1020332225 is about 31942.6396060188. The cubic root of 1020332225 is about 1006.7319869874.

Adding to 1020332225 its reverse (5222330201), we get a palindrome (6242662426).

The spelling of 1020332225 in words is "one billion, twenty million, three hundred thirty-two thousand, two hundred twenty-five".