20194274 has 4 divisors (see below), whose sum is σ = 30291414. Its totient is φ = 10097136.

The previous prime is 20194271. The next prime is 20194277. The reversal of 20194274 is 47249102.

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 (20194271) and next prime (20194277).

It can be written as a sum of positive squares in only one way, i.e., 20187049 + 7225 = 4493^2 + 85^2 .

It is not an unprimeable number, because it can be changed into a prime (20194271) 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 as a sum of consecutive naturals, namely, 5048567 + ... + 5048570.

Almost surely, 2^20194274 is an apocalyptic number.

20194274 is a deficient number, since it is larger than the sum of its proper divisors (10097140).

20194274 is a wasteful number, since it uses less digits than its factorization.

20194274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10097139.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 20194274 is about 4493.8039565606. The cubic root of 20194274 is about 272.3178324037.

It can be divided in two parts, 2019427 and 4, that multiplied together give a palindrome (8077708).

The spelling of 20194274 in words is "twenty million, one hundred ninety-four thousand, two hundred seventy-four".