204422993280 has 384 divisors, whose sum is σ = 770943083040. Its totient is φ = 49500979200.

The previous prime is 204422993279. The next prime is 204422993329. The reversal of 204422993280 is 82399224402.

204422993280 is a `hidden beast` number, since 20 + 44 + 229 + 93 + 280 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 94595400 + ... + 94597560.

Almost surely, 2^204422993280 is an apocalyptic number.

204422993280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 204422993280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (385471541520).

204422993280 is an abundant number, since it is smaller than the sum of its proper divisors (566520089760).

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

204422993280 is a wasteful number, since it uses less digits than its factorization.

204422993280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3690 (or 3675 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The spelling of 204422993280 in words is "two hundred four billion, four hundred twenty-two million, nine hundred ninety-three thousand, two hundred eighty".