20842334 has 8 divisors (see below), whose sum is σ = 31704048. Its totient is φ = 10274320.

The previous prime is 20842319. The next prime is 20842337. The reversal of 20842334 is 43324802.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20842337) 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, 73247 + ... + 73530.

It is an arithmetic number, because the mean of its divisors is an integer number (3963006).

Almost surely, 2^20842334 is an apocalyptic number.

20842334 is a deficient number, since it is larger than the sum of its proper divisors (10861714).

20842334 is a wasteful number, since it uses less digits than its factorization.

20842334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146850.

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 20842334 is about 4565.3405130395. The cubic root of 20842334 is about 275.2002244314.

The spelling of 20842334 in words is "twenty million, eight hundred forty-two thousand, three hundred thirty-four".