20453411 has 8 divisors (see below), whose sum is σ = 22350384. Its totient is φ = 18562720.

The previous prime is 20453401. The next prime is 20453437. The reversal of 20453411 is 11435402.

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

It is a de Polignac number, because none of the positive numbers 2^k-20453411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20453401) 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, 7601 + ... + 9933.

It is an arithmetic number, because the mean of its divisors is an integer number (2793798).

Almost surely, 2^20453411 is an apocalyptic number.

20453411 is a deficient number, since it is larger than the sum of its proper divisors (1896973).

20453411 is a wasteful number, since it uses less digits than its factorization.

20453411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3141.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 20453411 is about 4522.5447482584. The cubic root of 20453411 is about 273.4776977159.

Adding to 20453411 its reverse (11435402), we get a palindrome (31888813).

Subtracting from 20453411 its reverse (11435402), we obtain a square (9018009 = 3003²).

The spelling of 20453411 in words is "twenty million, four hundred fifty-three thousand, four hundred eleven".