1020333220 has 24 divisors (see below), whose sum is σ = 2152148544. Its totient is φ = 406333536.

The previous prime is 1020333143. The next prime is 1020333221. The reversal of 1020333220 is 223330201.

It is a junction number, because it is equal to n+sod(n) for n = 1020333194 and 1020333203.

It is not an unprimeable number, because it can be changed into a prime (1020333221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107832 + ... + 116911.

It is an arithmetic number, because the mean of its divisors is an integer number (89672856).

Almost surely, 2^1020333220 is an apocalyptic number.

1020333220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1020333220 is an abundant number, since it is smaller than the sum of its proper divisors (1131815324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1020333220 is a wasteful number, since it uses less digits than its factorization.

1020333220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224979 (or 224977 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 1020333220 is about 31942.6551808080. The cubic root of 1020333220 is about 1006.7323142331.

Adding to 1020333220 its reverse (223330201), we get a palindrome (1243663421).

The spelling of 1020333220 in words is "one billion, twenty million, three hundred thirty-three thousand, two hundred twenty".