1020220303 has 8 divisors (see below), whose sum is σ = 1097943120. Its totient is φ = 944465280.

The previous prime is 1020220301. The next prime is 1020220307. The reversal of 1020220303 is 3030220201.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1020220303 - 2¹ = 1020220301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020220301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 490873 + ... + 492946.

It is an arithmetic number, because the mean of its divisors is an integer number (137242890).

Almost surely, 2^1020220303 is an apocalyptic number.

1020220303 is a deficient number, since it is larger than the sum of its proper divisors (77722817).

1020220303 is an equidigital number, since it uses as much as digits as its factorization.

1020220303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 983897.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 1020220303 is about 31940.8876363823. The cubic root of 1020220303 is about 1006.6951755860.

Adding to 1020220303 its reverse (3030220201), we get a palindrome (4050440504).

The spelling of 1020220303 in words is "one billion, twenty million, two hundred twenty thousand, three hundred three".