1326050020 has 12 divisors (see below), whose sum is σ = 2784705084. Its totient is φ = 530420000.

The previous prime is 1326050009. The next prime is 1326050021. The reversal of 1326050020 is 200506231.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 911194596 + 414855424 = 30186^2 + 20368^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1326050020.

It is not an unprimeable number, because it can be changed into a prime (1326050021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33151231 + ... + 33151270.

It is an arithmetic number, because the mean of its divisors is an integer number (232058757).

Almost surely, 2^1326050020 is an apocalyptic number.

1326050020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1326050020 is an abundant number, since it is smaller than the sum of its proper divisors (1458655064).

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

1326050020 is a wasteful number, since it uses less digits than its factorization.

1326050020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66302510 (or 66302508 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 1326050020 is about 36414.9697240022. The cubic root of 1326050020 is about 1098.6346752000.

Adding to 1326050020 its reverse (200506231), we get a palindrome (1526556251).

The spelling of 1326050020 in words is "one billion, three hundred twenty-six million, fifty thousand, twenty".