204001226140 has 48 divisors (see below), whose sum is σ = 444047772672. Its totient is φ = 78672280896.

The previous prime is 204001226083. The next prime is 204001226171. The reversal of 204001226140 is 41622100402.

It is a happy number.

It is a congruent number.

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, 1556592 + ... + 1682551.

It is an arithmetic number, because the mean of its divisors is an integer number (9250995264).

Almost surely, 2^204001226140 is an apocalyptic number.

204001226140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204001226140 is an abundant number, since it is smaller than the sum of its proper divisors (240046546532).

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

204001226140 is a wasteful number, since it uses less digits than its factorization.

204001226140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3239266 (or 3239264 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 204001226140 its reverse (41622100402), we get a palindrome (245623326542).

The spelling of 204001226140 in words is "two hundred four billion, one million, two hundred twenty-six thousand, one hundred forty".