20282453 has 4 divisors (see below), whose sum is σ = 20357568. Its totient is φ = 20207340.

The previous prime is 20282447. The next prime is 20282467. The reversal of 20282453 is 35428202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20282453 - 2¹⁴ = 20266069 is a prime.

It is a super-2 number, since 2×20282453² = 822755799394418, 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 (20282473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37151 + ... + 37692.

It is an arithmetic number, because the mean of its divisors is an integer number (5089392).

Almost surely, 2^20282453 is an apocalyptic number.

It is an amenable number.

20282453 is a deficient number, since it is larger than the sum of its proper divisors (75115).

20282453 is an equidigital number, since it uses as much as digits as its factorization.

20282453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75114.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 20282453 is about 4503.6044453304. The cubic root of 20282453 is about 272.7136186531.

The spelling of 20282453 in words is "twenty million, two hundred eighty-two thousand, four hundred fifty-three".