20002994 has 12 divisors (see below), whose sum is σ = 32980542. Its totient is φ = 9092160.

The previous prime is 20002981. The next prime is 20003003. The reversal of 20002994 is 49920002.

It can be written as a sum of positive squares in only one way, i.e., 16297369 + 3705625 = 4037^2 + 1925^2 .

It is a Curzon number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 41087 + ... + 41570.

Almost surely, 2^20002994 is an apocalyptic number.

20002994 is a deficient number, since it is larger than the sum of its proper divisors (12977548).

20002994 is a wasteful number, since it uses less digits than its factorization.

20002994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82681 (or 82670 counting only the distinct ones).

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

The square root of 20002994 is about 4472.4706818491. The cubic root of 20002994 is about 271.4553059276.

Adding to 20002994 its reverse (49920002), we get a palindrome (69922996).

It can be divided in two parts, 2000 and 2994, that added together give a palindrome (4994).

The spelling of 20002994 in words is "twenty million, two thousand, nine hundred ninety-four".