1304020202 has 8 divisors (see below), whose sum is σ = 1960548996. Its totient is φ = 650503872.

The previous prime is 1304020199. The next prime is 1304020219. The reversal of 1304020202 is 2020204031.

It can be written as a sum of positive squares in 2 ways, for example, as 896343721 + 407676481 = 29939^2 + 20191^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

1304020202 is a modest number, since divided by 20202 gives 1304 as remainder.

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 3 ways as a sum of consecutive naturals, for example, 752033 + ... + 753764.

Almost surely, 2^1304020202 is an apocalyptic number.

1304020202 is a deficient number, since it is larger than the sum of its proper divisors (656528794).

1304020202 is a wasteful number, since it uses less digits than its factorization.

1304020202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1506232.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 1304020202 is about 36111.2198907763. The cubic root of 1304020202 is about 1092.5167560752.

Adding to 1304020202 its reverse (2020204031), we get a palindrome (3324224233).

The spelling of 1304020202 in words is "one billion, three hundred four million, twenty thousand, two hundred two".