204123041420 has 48 divisors (see below), whose sum is σ = 436994738208. Its totient is φ = 80063093760.

The previous prime is 204123041413. The next prime is 204123041519. The reversal of 204123041420 is 24140321402.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1840340 + ... + 1948100.

It is an arithmetic number, because the mean of its divisors is an integer number (9104057046).

Almost surely, 2^204123041420 is an apocalyptic number.

204123041420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204123041420 is an abundant number, since it is smaller than the sum of its proper divisors (232871696788).

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

204123041420 is a wasteful number, since it uses less digits than its factorization.

204123041420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109610 (or 109608 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 204123041420 its reverse (24140321402), we get a palindrome (228263362822).

The spelling of 204123041420 in words is "two hundred four billion, one hundred twenty-three million, forty-one thousand, four hundred twenty".