204621352022652 has 192 divisors, whose sum is σ = 510204713324544. Its totient is φ = 63678391096320.

The previous prime is 204621352022623. The next prime is 204621352022701. The reversal of 204621352022652 is 256220253126402.

It is a super-2 number, since 2×204621352022652² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 20386699378 + ... + 20386709414.

It is an arithmetic number, because the mean of its divisors is an integer number (2657316215232).

Almost surely, 2^{204621352022652} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 204621352022652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (255102356662272).

204621352022652 is an abundant number, since it is smaller than the sum of its proper divisors (305583361301892).

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

204621352022652 is a wasteful number, since it uses less digits than its factorization.

204621352022652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14268 (or 14266 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 42.

The spelling of 204621352022652 in words is "two hundred four trillion, six hundred twenty-one billion, three hundred fifty-two million, twenty-two thousand, six hundred fifty-two".