20882074 has 4 divisors (see below), whose sum is σ = 31323114. Its totient is φ = 10441036.

The previous prime is 20882033. The next prime is 20882087. The reversal of 20882074 is 47028802.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 47028802 = 2 ⋅23514401.

It can be written as a sum of positive squares in only one way, i.e., 20839225 + 42849 = 4565^2 + 207^2 .

It is a super-2 number, since 2×20882074² = 872122029082952, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5220517 + ... + 5220520.

Almost surely, 2^20882074 is an apocalyptic number.

20882074 is a deficient number, since it is larger than the sum of its proper divisors (10441040).

20882074 is a wasteful number, since it uses less digits than its factorization.

20882074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10441039.

The product of its (nonzero) digits is 7168, while the sum is 31.

The square root of 20882074 is about 4569.6907991679. The cubic root of 20882074 is about 275.3750211286.

The spelling of 20882074 in words is "twenty million, eight hundred eighty-two thousand, seventy-four".