20266342 has 8 divisors (see below), whose sum is σ = 30426696. Its totient is φ = 10124112.

The previous prime is 20266327. The next prime is 20266349. The reversal of 20266342 is 24366202.

It is a happy number.

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 (20266349) 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, 1263 + ... + 6490.

It is an arithmetic number, because the mean of its divisors is an integer number (3803337).

Almost surely, 2^20266342 is an apocalyptic number.

20266342 is a deficient number, since it is larger than the sum of its proper divisors (10160354).

20266342 is a wasteful number, since it uses less digits than its factorization.

20266342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9062.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 20266342 is about 4501.8154115868. The cubic root of 20266342 is about 272.6413911474.

The spelling of 20266342 in words is "twenty million, two hundred sixty-six thousand, three hundred forty-two".