204701873442 has 64 divisors (see below), whose sum is σ = 478636452864. Its totient is φ = 57730242240.

The previous prime is 204701873377. The next prime is 204701873459. The reversal of 204701873442 is 244378107402.

It is a junction number, because it is equal to n+sod(n) for n = 204701873394 and 204701873403.

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, 1766128 + ... + 1878459.

It is an arithmetic number, because the mean of its divisors is an integer number (7478694576).

Almost surely, 2^204701873442 is an apocalyptic number.

204701873442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

204701873442 is an abundant number, since it is smaller than the sum of its proper divisors (273934579422).

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

204701873442 is a wasteful number, since it uses less digits than its factorization.

204701873442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3644663.

The product of its (nonzero) digits is 301056, while the sum is 42.

The spelling of 204701873442 in words is "two hundred four billion, seven hundred one million, eight hundred seventy-three thousand, four hundred forty-two".