20741255 has 12 divisors (see below), whose sum is σ = 26270712. Its totient is φ = 15718320.

The previous prime is 20741243. The next prime is 20741269. The reversal of 20741255 is 55214702.

It is not a de Polignac number, because 20741255 - 2⁸ = 20740999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3941 + ... + 7550.

It is an arithmetic number, because the mean of its divisors is an integer number (2189226).

Almost surely, 2^20741255 is an apocalyptic number.

20741255 is a deficient number, since it is larger than the sum of its proper divisors (5529457).

20741255 is a wasteful number, since it uses less digits than its factorization.

20741255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11534 (or 11515 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 20741255 is about 4554.2567999620. The cubic root of 20741255 is about 274.7546240973.

Adding to 20741255 its reverse (55214702), we get a palindrome (75955957).

The spelling of 20741255 in words is "twenty million, seven hundred forty-one thousand, two hundred fifty-five".