204146123002401 has 16 divisors (see below), whose sum is σ = 272257884648000. Its totient is φ = 136065889333248.

The previous prime is 204146123002373. The next prime is 204146123002421. The reversal of 204146123002401 is 104200321641402.

It is not a de Polignac number, because 204146123002401 - 2³⁸ = 203871245095457 is a prime.

It is a super-2 number, since 2×204146123002401² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (204146123002421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1615822305 + ... + 1615948641.

It is an arithmetic number, because the mean of its divisors is an integer number (17016117790500).

Almost surely, 2^{204146123002401} is an apocalyptic number.

It is an amenable number.

204146123002401 is a deficient number, since it is larger than the sum of its proper divisors (68111761645599).

204146123002401 is a wasteful number, since it uses less digits than its factorization.

204146123002401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246848.

The product of its (nonzero) digits is 9216, while the sum is 30.

Adding to 204146123002401 its reverse (104200321641402), we get a palindrome (308346444643803).

The spelling of 204146123002401 in words is "two hundred four trillion, one hundred forty-six billion, one hundred twenty-three million, two thousand, four hundred one".