204033400220040 has 32 divisors (see below), whose sum is σ = 612100200660480. Its totient is φ = 54408906725312.

The previous prime is 204033400220009. The next prime is 204033400220057. The reversal of 204033400220040 is 40022004330402.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 850139167464 + ... + 850139167703.

It is an arithmetic number, because the mean of its divisors is an integer number (19128131270640).

Almost surely, 2^{204033400220040} is an apocalyptic number.

204033400220040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204033400220040 is an abundant number, since it is smaller than the sum of its proper divisors (408066800440440).

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

204033400220040 is a wasteful number, since it uses less digits than its factorization.

204033400220040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1700278335181 (or 1700278335177 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 24.

Adding to 204033400220040 its reverse (40022004330402), we get a palindrome (244055404550442).

The spelling of 204033400220040 in words is "two hundred four trillion, thirty-three billion, four hundred million, two hundred twenty thousand, forty".