1304020203 has 8 divisors (see below), whose sum is σ = 1740614208. Its totient is φ = 868386504.

The previous prime is 1304020199. The next prime is 1304020219. The reversal of 1304020203 is 3020204031.

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

It is not a de Polignac number, because 1304020203 - 2² = 1304020199 is a prime.

It is a super-2 number, since 2×1304020203² = 3400937379664322418, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1304020253) 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, 236901 + ... + 242342.

It is an arithmetic number, because the mean of its divisors is an integer number (217576776).

Almost surely, 2^1304020203 is an apocalyptic number.

1304020203 is a deficient number, since it is larger than the sum of its proper divisors (436594005).

1304020203 is an equidigital number, since it uses as much as digits as its factorization.

1304020203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480153.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 1304020203 is about 36111.2199046224. The cubic root of 1304020203 is about 1092.5167563545.

Adding to 1304020203 its reverse (3020204031), we get a palindrome (4324224234).

The spelling of 1304020203 in words is "one billion, three hundred four million, twenty thousand, two hundred three".