20341253 has 8 divisors (see below), whose sum is σ = 20882400. Its totient is φ = 19806768.

The previous prime is 20341247. The next prime is 20341261. The reversal of 20341253 is 35214302.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20341253 - 2¹⁴ = 20324869 is a prime.

It is a super-2 number, since 2×20341253² = 827533147220018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20341213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4850 + ... + 8012.

It is an arithmetic number, because the mean of its divisors is an integer number (2610300).

Almost surely, 2^20341253 is an apocalyptic number.

It is an amenable number.

20341253 is a deficient number, since it is larger than the sum of its proper divisors (541147).

20341253 is a wasteful number, since it uses less digits than its factorization.

20341253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3331.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 20341253 is about 4510.1278252395. The cubic root of 20341253 is about 272.9769018908.

Adding to 20341253 its reverse (35214302), we get a palindrome (55555555).

The spelling of 20341253 in words is "twenty million, three hundred forty-one thousand, two hundred fifty-three".