204100504454100 has 72 divisors (see below), whose sum is σ = 592003438604928. Its totient is φ = 54291073472000.

The previous prime is 204100504454089. The next prime is 204100504454129. The reversal of 204100504454100 is 1454405001402.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 848177724 + ... + 848418323.

It is an arithmetic number, because the mean of its divisors is an integer number (8222269980624).

Almost surely, 2^{204100504454100} is an apocalyptic number.

204100504454100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204100504454100 is an abundant number, since it is smaller than the sum of its proper divisors (387902934150828).

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

204100504454100 is a wasteful number, since it uses less digits than its factorization.

204100504454100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1696596465 (or 1696596458 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

Adding to 204100504454100 its reverse (1454405001402), we get a palindrome (205554909455502).

The spelling of 204100504454100 in words is "two hundred four trillion, one hundred billion, five hundred four million, four hundred fifty-four thousand, one hundred".