20066835 has 32 divisors (see below), whose sum is σ = 33449472. Its totient is φ = 10264320.

The previous prime is 20066821. The next prime is 20066857. The reversal of 20066835 is 53866002.

It is not a de Polignac number, because 20066835 - 2⁴ = 20066819 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40962 + ... + 41448.

It is an arithmetic number, because the mean of its divisors is an integer number (1045296).

Almost surely, 2^20066835 is an apocalyptic number.

20066835 is a deficient number, since it is larger than the sum of its proper divisors (13382637).

20066835 is a wasteful number, since it uses less digits than its factorization.

20066835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 603.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 20066835 is about 4479.6021028658. The cubic root of 20066835 is about 271.7437889780.

The spelling of 20066835 in words is "twenty million, sixty-six thousand, eight hundred thirty-five".