20873342 has 8 divisors (see below), whose sum is σ = 35782896. Its totient is φ = 8945712.

The previous prime is 20873329. The next prime is 20873357. The reversal of 20873342 is 24337802.

It is a sphenic number, since it is the product of 3 distinct primes.

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 in 3 ways as a sum of consecutive naturals, for example, 745463 + ... + 745490.

It is an arithmetic number, because the mean of its divisors is an integer number (4472862).

Almost surely, 2^20873342 is an apocalyptic number.

20873342 is a deficient number, since it is larger than the sum of its proper divisors (14909554).

20873342 is a wasteful number, since it uses less digits than its factorization.

20873342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1490962.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 20873342 is about 4568.7352735741. The cubic root of 20873342 is about 275.3366323823.

The spelling of 20873342 in words is "twenty million, eight hundred seventy-three thousand, three hundred forty-two".