20034666 has 24 divisors (see below), whose sum is σ = 43496544. Its totient is φ = 6664680.

The previous prime is 20034647. The next prime is 20034673. The reversal of 20034666 is 66643002.

It is a super-4 number, since 4×20034666⁴ (a number of 30 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12321 + ... + 13851.

It is an arithmetic number, because the mean of its divisors is an integer number (1812356).

Almost surely, 2^20034666 is an apocalyptic number.

20034666 is an abundant number, since it is smaller than the sum of its proper divisors (23461878).

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

20034666 is a wasteful number, since it uses less digits than its factorization.

20034666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2266 (or 2263 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 20034666 is about 4476.0100536080. The cubic root of 20034666 is about 271.5985011373.

Adding to 20034666 its reverse (66643002), we get a palindrome (86677668).

The spelling of 20034666 in words is "twenty million, thirty-four thousand, six hundred sixty-six".