20750994 has 24 divisors (see below), whose sum is σ = 49048272. Its totient is φ = 6288120.

The previous prime is 20750971. The next prime is 20751001. The reversal of 20750994 is 49905702.

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 11 ways as a sum of consecutive naturals, for example, 52204 + ... + 52599.

It is an arithmetic number, because the mean of its divisors is an integer number (2043678).

Almost surely, 2^20750994 is an apocalyptic number.

20750994 is an abundant number, since it is smaller than the sum of its proper divisors (28297278).

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

20750994 is a wasteful number, since it uses less digits than its factorization.

20750994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104822 (or 104819 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 20750994 is about 4555.3258939400. The cubic root of 20750994 is about 274.7976207977.

The spelling of 20750994 in words is "twenty million, seven hundred fifty thousand, nine hundred ninety-four".