204324310010421 has 32 divisors (see below), whose sum is σ = 316872817048320. Its totient is φ = 129877488778752.

The previous prime is 204324310010407. The next prime is 204324310010539. The reversal of 204324310010421 is 124010013423402.

204324310010421 is a `hidden beast` number, since 2 + 0 + 4 + 324 + 310 + 0 + 1 + 0 + 4 + 21 = 666.

It is not a de Polignac number, because 204324310010421 - 2⁵ = 204324310010389 is a prime.

It is a super-2 number, since 2×204324310010421² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204324310080421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 525404116 + ... + 525792861.

It is an arithmetic number, because the mean of its divisors is an integer number (9902275532760).

Almost surely, 2^{204324310010421} is an apocalyptic number.

It is an amenable number.

204324310010421 is a deficient number, since it is larger than the sum of its proper divisors (112548507037899).

204324310010421 is a wasteful number, since it uses less digits than its factorization.

204324310010421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051197322 (or 1051197316 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 204324310010421 its reverse (124010013423402), we get a palindrome (328334323433823).

The spelling of 204324310010421 in words is "two hundred four trillion, three hundred twenty-four billion, three hundred ten million, ten thousand, four hundred twenty-one".