20205368 has 8 divisors (see below), whose sum is σ = 37885080. Its totient is φ = 10102680.

The previous prime is 20205343. The next prime is 20205371. The reversal of 20205368 is 86350202.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1262828 + ... + 1262843.

It is an arithmetic number, because the mean of its divisors is an integer number (4735635).

Almost surely, 2^20205368 is an apocalyptic number.

It is an amenable number.

20205368 is a deficient number, since it is larger than the sum of its proper divisors (17679712).

20205368 is a wasteful number, since it uses less digits than its factorization.

20205368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2525677 (or 2525673 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 20205368 is about 4495.0381533420. The cubic root of 20205368 is about 272.3676904472.

The spelling of 20205368 in words is "twenty million, two hundred five thousand, three hundred sixty-eight".