20003402304 has 84 divisors (see below), whose sum is σ = 59459747984. Its totient is φ = 6667795584.

The previous prime is 20003402299. The next prime is 20003402317. The reversal of 20003402304 is 40320430002.

20003402304 is a `hidden beast` number, since 20 + 0 + 0 + 340 + 2 + 304 = 666.

It is a super-2 number, since 2×20003402304² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 627562 + ... + 658665.

Almost surely, 2^20003402304 is an apocalyptic number.

20003402304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20003402304 is an abundant number, since it is smaller than the sum of its proper divisors (39456345680).

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

20003402304 is an equidigital number, since it uses as much as digits as its factorization.

20003402304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1286254 (or 1286232 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

Adding to 20003402304 its reverse (40320430002), we get a palindrome (60323832306).

The spelling of 20003402304 in words is "twenty billion, three million, four hundred two thousand, three hundred four".