20200994 has 16 divisors (see below), whose sum is σ = 34197120. Its totient is φ = 8865360.

The previous prime is 20200993. The next prime is 20201021. The reversal of 20200994 is 49900202.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20200993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15194 + ... + 16469.

It is an arithmetic number, because the mean of its divisors is an integer number (2137320).

Almost surely, 2^20200994 is an apocalyptic number.

20200994 is a deficient number, since it is larger than the sum of its proper divisors (13996126).

20200994 is a wasteful number, since it uses less digits than its factorization.

20200994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31705.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 20200994 is about 4494.5515905371. The cubic root of 20200994 is about 272.3480352372.

The spelling of 20200994 in words is "twenty million, two hundred thousand, nine hundred ninety-four".