204545132340422 has 8 divisors (see below), whose sum is σ = 306883104130872. Its totient is φ = 102250764296800.

The previous prime is 204545132340371. The next prime is 204545132340487. The reversal of 204545132340422 is 224043231545402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×204545132340422² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 204545132340422.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10900924979 + ... + 10900943742.

It is an arithmetic number, because the mean of its divisors is an integer number (38360388016359).

Almost surely, 2^{204545132340422} is an apocalyptic number.

204545132340422 is a deficient number, since it is larger than the sum of its proper divisors (102337971790450).

204545132340422 is a wasteful number, since it uses less digits than its factorization.

204545132340422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21801873414.

The product of its (nonzero) digits is 921600, while the sum is 41.

Adding to 204545132340422 its reverse (224043231545402), we get a palindrome (428588363885824).

The spelling of 204545132340422 in words is "two hundred four trillion, five hundred forty-five billion, one hundred thirty-two million, three hundred forty thousand, four hundred twenty-two".