204140212104 has 32 divisors (see below), whose sum is σ = 510374592000. Its totient is φ = 68043529152.

The previous prime is 204140212103. The next prime is 204140212139. The reversal of 204140212104 is 401212041402.

It is a super-2 number, since 2×204140212104² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (204140212103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 349977 + ... + 728535.

It is an arithmetic number, because the mean of its divisors is an integer number (15949206000).

Almost surely, 2^204140212104 is an apocalyptic number.

204140212104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

204140212104 is an abundant number, since it is smaller than the sum of its proper divisors (306234379896).

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

204140212104 is a wasteful number, since it uses less digits than its factorization.

204140212104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401037 (or 401033 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 204140212104 its reverse (401212041402), we get a palindrome (605352253506).

The spelling of 204140212104 in words is "two hundred four billion, one hundred forty million, two hundred twelve thousand, one hundred four".