1332320020 has 24 divisors (see below), whose sum is σ = 2803500000. Its totient is φ = 531856032.

The previous prime is 1332319999. The next prime is 1332320021. The reversal of 1332320020 is 200232331.

It is a junction number, because it is equal to n+sod(n) for n = 1332319976 and 1332320003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1332320021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56770 + ... + 76729.

It is an arithmetic number, because the mean of its divisors is an integer number (116812500).

Almost surely, 2^1332320020 is an apocalyptic number.

1332320020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1332320020 is an abundant number, since it is smaller than the sum of its proper divisors (1471179980).

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

1332320020 is a wasteful number, since it uses less digits than its factorization.

1332320020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134007 (or 134005 counting only the distinct ones).

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

The square root of 1332320020 is about 36500.9591654795. The cubic root of 1332320020 is about 1100.3635217255.

Adding to 1332320020 its reverse (200232331), we get a palindrome (1532552351).

The spelling of 1332320020 in words is "one billion, three hundred thirty-two million, three hundred twenty thousand, twenty".