1200020330 has 16 divisors (see below), whose sum is σ = 2161735560. Its totient is φ = 479630592.

The previous prime is 1200020303. The next prime is 1200020351. The reversal of 1200020330 is 330200021.

It can be written as a sum of positive squares in 4 ways, for example, as 1022784361 + 177235969 = 31981^2 + 13313^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33659 + ... + 59438.

Almost surely, 2^1200020330 is an apocalyptic number.

1200020330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1200020330 is a deficient number, since it is larger than the sum of its proper divisors (961715230).

1200020330 is a wasteful number, since it uses less digits than its factorization.

1200020330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94393.

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 1200020330 is about 34641.3095884090. The cubic root of 1200020330 is about 1062.6645702178.

Adding to 1200020330 its reverse (330200021), we get a palindrome (1530220351).

The spelling of 1200020330 in words is "one billion, two hundred million, twenty thousand, three hundred thirty".