1020334220 has 24 divisors (see below), whose sum is σ = 2268743904. Its totient is φ = 384125696.

The previous prime is 1020334207. The next prime is 1020334247. The reversal of 1020334220 is 224330201.

It is a Harshad number since it is a multiple of its sum of digits (17).

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, 1500152 + ... + 1500831.

It is an arithmetic number, because the mean of its divisors is an integer number (94530996).

Almost surely, 2^1020334220 is an apocalyptic number.

1020334220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1020334220 is an abundant number, since it is smaller than the sum of its proper divisors (1248409684).

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

1020334220 is a wasteful number, since it uses less digits than its factorization.

1020334220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3001009 (or 3001007 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 1020334220 is about 31942.6708338548. The cubic root of 1020334220 is about 1006.7326431231.

Adding to 1020334220 its reverse (224330201), we get a palindrome (1244664421).

The spelling of 1020334220 in words is "one billion, twenty million, three hundred thirty-four thousand, two hundred twenty".