1020332120 has 16 divisors (see below), whose sum is σ = 2295747360. Its totient is φ = 408132832.

The previous prime is 1020332119. The next prime is 1020332153. The reversal of 1020332120 is 212330201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1020332095 and 1020332104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12754112 + ... + 12754191.

It is an arithmetic number, because the mean of its divisors is an integer number (143484210).

Almost surely, 2^1020332120 is an apocalyptic number.

1020332120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1020332120 is an abundant number, since it is smaller than the sum of its proper divisors (1275415240).

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

1020332120 is a wasteful number, since it uses less digits than its factorization.

1020332120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25508314 (or 25508310 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1020332120 is about 31942.6379624476. The cubic root of 1020332120 is about 1006.7319524540.

Adding to 1020332120 its reverse (212330201), we get a palindrome (1232662321).

The spelling of 1020332120 in words is "one billion, twenty million, three hundred thirty-two thousand, one hundred twenty".