20204268 has 36 divisors (see below), whose sum is σ = 54841752. Its totient is φ = 5772480.

The previous prime is 20204243. The next prime is 20204269. The reversal of 20204268 is 86240202.

It is not an unprimeable number, because it can be changed into a prime (20204269) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16593 + ... + 17768.

It is an arithmetic number, because the mean of its divisors is an integer number (1523382).

Almost surely, 2^20204268 is an apocalyptic number.

20204268 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

20204268 is an abundant number, since it is smaller than the sum of its proper divisors (34637484).

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

20204268 is a wasteful number, since it uses less digits than its factorization.

20204268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34382 (or 34373 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 20204268 is about 4494.9157945394. The cubic root of 20204268 is about 272.3627477030.

The spelling of 20204268 in words is "twenty million, two hundred four thousand, two hundred sixty-eight".