20427053 has 4 divisors (see below), whose sum is σ = 20503260. Its totient is φ = 20350848.

The previous prime is 20427041. The next prime is 20427067. The reversal of 20427053 is 35072402.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35072402 = 2 ⋅17536201.

It can be written as a sum of positive squares in 2 ways, for example, as 6980164 + 13446889 = 2642^2 + 3667^2 .

It is a cyclic number.

It is not a de Polignac number, because 20427053 - 2⁴ = 20427037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20427653) 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, 37700 + ... + 38237.

It is an arithmetic number, because the mean of its divisors is an integer number (5125815).

Almost surely, 2^20427053 is an apocalyptic number.

It is an amenable number.

20427053 is a deficient number, since it is larger than the sum of its proper divisors (76207).

20427053 is an equidigital number, since it uses as much as digits as its factorization.

20427053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76206.

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 20427053 is about 4519.6297414722. The cubic root of 20427053 is about 273.3601716987.

Adding to 20427053 its reverse (35072402), we get a palindrome (55499455).

The spelling of 20427053 in words is "twenty million, four hundred twenty-seven thousand, fifty-three".