204220104142331 has 4 divisors (see below), whose sum is σ = 208565212741152. Its totient is φ = 199874995543512.

The previous prime is 204220104142291. The next prime is 204220104142337. The reversal of 204220104142331 is 133241401022402.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 204220104142331 - 2⁶ = 204220104142267 is a prime.

It is a super-2 number, since 2×204220104142331² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 204220104142294 and 204220104142303.

It is not an unprimeable number, because it can be changed into a prime (204220104142337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2172554299340 + ... + 2172554299433.

It is an arithmetic number, because the mean of its divisors is an integer number (52141303185288).

Almost surely, 2^{204220104142331} is an apocalyptic number.

204220104142331 is a deficient number, since it is larger than the sum of its proper divisors (4345108598821).

204220104142331 is an equidigital number, since it uses as much as digits as its factorization.

204220104142331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4345108598820.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 204220104142331 its reverse (133241401022402), we get a palindrome (337461505164733).

The spelling of 204220104142331 in words is "two hundred four trillion, two hundred twenty billion, one hundred four million, one hundred forty-two thousand, three hundred thirty-one".