20873462 has 4 divisors (see below), whose sum is σ = 31310196. Its totient is φ = 10436730.

The previous prime is 20873441. The next prime is 20873471. The reversal of 20873462 is 26437802.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 26437802 = 2 ⋅13218901.

It is a congruent number.

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, 5218364 + ... + 5218367.

It is an arithmetic number, because the mean of its divisors is an integer number (7827549).

Almost surely, 2^20873462 is an apocalyptic number.

20873462 is a deficient number, since it is larger than the sum of its proper divisors (10436734).

20873462 is a wasteful number, since it uses less digits than its factorization.

20873462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10436733.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 20873462 is about 4568.7484062925. The cubic root of 20873462 is about 275.3371600143.

The spelling of 20873462 in words is "twenty million, eight hundred seventy-three thousand, four hundred sixty-two".