204010234220 has 96 divisors (see below), whose sum is σ = 469455436800. Its totient is φ = 74009343744.

The previous prime is 204010234213. The next prime is 204010234229. The reversal of 204010234220 is 22432010402.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 204010234192 and 204010234201.

It is not an unprimeable number, because it can be changed into a prime (204010234229) 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, 50911457 + ... + 50915463.

It is an arithmetic number, because the mean of its divisors is an integer number (4890160800).

Almost surely, 2^204010234220 is an apocalyptic number.

204010234220 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 204010234220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (234727718400).

204010234220 is an abundant number, since it is smaller than the sum of its proper divisors (265445202580).

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

204010234220 is a wasteful number, since it uses less digits than its factorization.

204010234220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7407 (or 7405 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 204010234220 its reverse (22432010402), we get a palindrome (226442244622).

The spelling of 204010234220 in words is "two hundred four billion, ten million, two hundred thirty-four thousand, two hundred twenty".