20241994 has 4 divisors (see below), whose sum is σ = 30362994. Its totient is φ = 10120996.

The previous prime is 20241979. The next prime is 20242009. The reversal of 20241994 is 49914202.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (20241979) and next prime (20242009).

It can be written as a sum of positive squares in only one way, i.e., 19686969 + 555025 = 4437^2 + 745^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5060497 + ... + 5060500.

Almost surely, 2^20241994 is an apocalyptic number.

20241994 is a deficient number, since it is larger than the sum of its proper divisors (10121000).

20241994 is a wasteful number, since it uses less digits than its factorization.

20241994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10120999.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 20241994 is about 4499.1103565038. The cubic root of 20241994 is about 272.5321635295.

The spelling of 20241994 in words is "twenty million, two hundred forty-one thousand, nine hundred ninety-four".