204024021420320 has 24 divisors (see below), whose sum is σ = 482006750605884. Its totient is φ = 81609608568064.

The previous prime is 204024021420313. The next prime is 204024021420341. The reversal of 204024021420320 is 23024120420402.

It can be written as a sum of positive squares in 2 ways, for example, as 180061939088656 + 23962082331664 = 13418716^2 + 4895108^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 204024021420320.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 637575066779 + ... + 637575067098.

Almost surely, 2^{204024021420320} is an apocalyptic number.

204024021420320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204024021420320 is an abundant number, since it is smaller than the sum of its proper divisors (277982729185564).

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

204024021420320 is a wasteful number, since it uses less digits than its factorization.

204024021420320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1275150133892 (or 1275150133884 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 204024021420320 its reverse (23024120420402), we get a palindrome (227048141840722).

The spelling of 204024021420320 in words is "two hundred four trillion, twenty-four billion, twenty-one million, four hundred twenty thousand, three hundred twenty".