20466105 has 32 divisors (see below), whose sum is σ = 36246528. Its totient is φ = 9777600.

The previous prime is 20466101. The next prime is 20466119. The reversal of 20466105 is 50166402.

It is not a de Polignac number, because 20466105 - 2² = 20466101 is a prime.

It is a super-2 number, since 2×20466105² = 837722907742050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20466101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10842 + ... + 12588.

It is an arithmetic number, because the mean of its divisors is an integer number (1132704).

Almost surely, 2^20466105 is an apocalyptic number.

It is an amenable number.

20466105 is a deficient number, since it is larger than the sum of its proper divisors (15780423).

20466105 is a wasteful number, since it uses less digits than its factorization.

20466105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1837.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 20466105 is about 4523.9479439976. The cubic root of 20466105 is about 273.5342621680.

The spelling of 20466105 in words is "twenty million, four hundred sixty-six thousand, one hundred five".