204020034 has 8 divisors (see below), whose sum is σ = 408040080. Its totient is φ = 68006676.

The previous prime is 204019979. The next prime is 204020153. The reversal of 204020034 is 430020402.

It is a happy number.

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

204020034 is an admirable number.

It is a super-2 number, since 2×204020034² = 83248348546722312, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 204019995 and 204020022.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17001664 + ... + 17001675.

It is an arithmetic number, because the mean of its divisors is an integer number (51005010).

Almost surely, 2^204020034 is an apocalyptic number.

204020034 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

204020034 is a wasteful number, since it uses less digits than its factorization.

204020034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34003344.

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 204020034 is about 14283.5581701479. The cubic root of 204020034 is about 588.6958015569.

Adding to 204020034 its reverse (430020402), we get a palindrome (634040436).

The spelling of 204020034 in words is "two hundred four million, twenty thousand, thirty-four".