2220520245 has 8 divisors (see below), whose sum is σ = 3552832416. Its totient is φ = 1184277456.

The previous prime is 2220520213. The next prime is 2220520259. The reversal of 2220520245 is 5420250222.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2220520245 - 2⁵ = 2220520213 is a prime.

It is a congruent number.

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, 74017327 + ... + 74017356.

It is an arithmetic number, because the mean of its divisors is an integer number (444104052).

Almost surely, 2^2220520245 is an apocalyptic number.

It is an amenable number.

2220520245 is a deficient number, since it is larger than the sum of its proper divisors (1332312171).

2220520245 is a wasteful number, since it uses less digits than its factorization.

2220520245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148034691.

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 2220520245 is about 47122.3964267523. The cubic root of 2220520245 is about 1304.6226445235.

Adding to 2220520245 its reverse (5420250222), we get a palindrome (7640770467).

The spelling of 2220520245 in words is "two billion, two hundred twenty million, five hundred twenty thousand, two hundred forty-five".