204030300402 has 48 divisors (see below), whose sum is σ = 444025895040. Its totient is φ = 67709059200.

The previous prime is 204030300389. The next prime is 204030300407. The reversal of 204030300402 is 204003030402.

204030300402 is a `hidden beast` number, since 204 + 0 + 30 + 30 + 0 + 402 = 666.

It is a super-2 number, since 2×204030300402² (a number of 23 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (204030300407) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4675002 + ... + 4718442.

It is an arithmetic number, because the mean of its divisors is an integer number (9250539480).

Almost surely, 2^204030300402 is an apocalyptic number.

204030300402 is an abundant number, since it is smaller than the sum of its proper divisors (239995594638).

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

204030300402 is a wasteful number, since it uses less digits than its factorization.

204030300402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44599 (or 44596 counting only the distinct ones).

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

Adding to 204030300402 its reverse (204003030402), we get a palindrome (408033330804).

The spelling of 204030300402 in words is "two hundred four billion, thirty million, three hundred thousand, four hundred two".