204220320442030 has 16 divisors (see below), whose sum is σ = 367614558701424. Its totient is φ = 81684132197760.

The previous prime is 204220320442001. The next prime is 204220320442121. The reversal of 204220320442030 is 30244023022402.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 204220320442030.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 499282731 + ... + 499691590.

It is an arithmetic number, because the mean of its divisors is an integer number (22975909918839).

Almost surely, 2^{204220320442030} is an apocalyptic number.

204220320442030 is a deficient number, since it is larger than the sum of its proper divisors (163394238259394).

204220320442030 is a wasteful number, since it uses less digits than its factorization.

204220320442030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 998994771.

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 204220320442030 its reverse (30244023022402), we get a palindrome (234464343464432).

The spelling of 204220320442030 in words is "two hundred four trillion, two hundred twenty billion, three hundred twenty million, four hundred forty-two thousand, thirty".