20741254 has 4 divisors (see below), whose sum is σ = 31111884. Its totient is φ = 10370626.

The previous prime is 20741243. The next prime is 20741269. The reversal of 20741254 is 45214702.

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

It is a congruent 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, 5185312 + ... + 5185315.

It is an arithmetic number, because the mean of its divisors is an integer number (7777971).

Almost surely, 2^20741254 is an apocalyptic number.

20741254 is a deficient number, since it is larger than the sum of its proper divisors (10370630).

20741254 is a wasteful number, since it uses less digits than its factorization.

20741254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10370629.

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 20741254 is about 4554.2566901746. The cubic root of 20741254 is about 274.7546196817.

Adding to 20741254 its reverse (45214702), we get a palindrome (65955956).

The spelling of 20741254 in words is "twenty million, seven hundred forty-one thousand, two hundred fifty-four".