204140140022 has 64 divisors (see below), whose sum is σ = 381034913280. Its totient is φ = 79868353536.

The previous prime is 204140140019. The next prime is 204140140067. The reversal of 204140140022 is 220041041402.

It is a junction number, because it is equal to n+sod(n) for n = 204140139976 and 204140140003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30838229 + ... + 30844847.

It is an arithmetic number, because the mean of its divisors is an integer number (5953670520).

Almost surely, 2^204140140022 is an apocalyptic number.

204140140022 is a deficient number, since it is larger than the sum of its proper divisors (176894773258).

204140140022 is a wasteful number, since it uses less digits than its factorization.

204140140022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8485.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 204140140022 its reverse (220041041402), we get a palindrome (424181181424).

The spelling of 204140140022 in words is "two hundred four billion, one hundred forty million, one hundred forty thousand, twenty-two".