204440620 has 48 divisors (see below), whose sum is σ = 438939648. Its totient is φ = 79966400.

The previous prime is 204440611. The next prime is 204440641. The reversal of 204440620 is 26044402.

It is a junction number, because it is equal to n+sod(n) for n = 204440591 and 204440600.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177045 + ... + 178195.

It is an arithmetic number, because the mean of its divisors is an integer number (9144576).

Almost surely, 2^204440620 is an apocalyptic number.

204440620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204440620 is an abundant number, since it is smaller than the sum of its proper divisors (234499028).

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

204440620 is a wasteful number, since it uses less digits than its factorization.

204440620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1350 (or 1348 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 204440620 is about 14298.2733223281. The cubic root of 204440620 is about 589.1000547768.

The spelling of 204440620 in words is "two hundred four million, four hundred forty thousand, six hundred twenty".