20022994 has 24 divisors (see below), whose sum is σ = 31606848. Its totient is φ = 9510480.

The previous prime is 20022971. The next prime is 20023001. The reversal of 20022994 is 49922002.

It is a happy 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 11 ways as a sum of consecutive naturals, for example, 194347 + ... + 194449.

It is an arithmetic number, because the mean of its divisors is an integer number (1316952).

Almost surely, 2^20022994 is an apocalyptic number.

20022994 is a deficient number, since it is larger than the sum of its proper divisors (11583854).

20022994 is a wasteful number, since it uses less digits than its factorization.

20022994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250 (or 213 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 20022994 is about 4474.7060238635. The cubic root of 20022994 is about 271.5457473500.

Adding to 20022994 its reverse (49922002), we get a palindrome (69944996).

The spelling of 20022994 in words is "twenty million, twenty-two thousand, nine hundred ninety-four".