204111454030 has 64 divisors (see below), whose sum is σ = 415285056000. Its totient is φ = 71587534720.

The previous prime is 204111454009. The next prime is 204111454073. The reversal of 204111454030 is 30454111402.

It is a super-2 number, since 2×204111454030² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 204111453986 and 204111454004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47271 + ... + 640669.

It is an arithmetic number, because the mean of its divisors is an integer number (6488829000).

Almost surely, 2^204111454030 is an apocalyptic number.

204111454030 is an abundant number, since it is smaller than the sum of its proper divisors (211173601970).

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

204111454030 is a wasteful number, since it uses less digits than its factorization.

204111454030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593529.

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 204111454030 its reverse (30454111402), we get a palindrome (234565565432).

The spelling of 204111454030 in words is "two hundred four billion, one hundred eleven million, four hundred fifty-four thousand, thirty".