20340482 has 4 divisors (see below), whose sum is σ = 30510726. Its totient is φ = 10170240.

The previous prime is 20340473. The next prime is 20340497. The reversal of 20340482 is 28404302.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28404302 = 2 ⋅14202151.

It can be written as a sum of positive squares in only one way, i.e., 20079361 + 261121 = 4481^2 + 511^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5085119 + ... + 5085122.

Almost surely, 2^20340482 is an apocalyptic number.

20340482 is a deficient number, since it is larger than the sum of its proper divisors (10170244).

20340482 is a wasteful number, since it uses less digits than its factorization.

20340482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10170243.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 20340482 is about 4510.0423501338. The cubic root of 20340482 is about 272.9734529415.

Adding to 20340482 its reverse (28404302), we get a palindrome (48744784).

The spelling of 20340482 in words is "twenty million, three hundred forty thousand, four hundred eighty-two".