20942334 has 64 divisors (see below), whose sum is σ = 56332800. Its totient is φ = 5629824.

The previous prime is 20942309. The next prime is 20942357. The reversal of 20942334 is 43324902.

It is a happy number.

20942334 is a `hidden beast` number, since 209 + 423 + 34 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 20942298 and 20942307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4797 + ... + 8055.

It is an arithmetic number, because the mean of its divisors is an integer number (880200).

Almost surely, 2^20942334 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20942334, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28166400).

20942334 is an abundant number, since it is smaller than the sum of its proper divisors (35390466).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20942334 is a wasteful number, since it uses less digits than its factorization.

20942334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3294 (or 3288 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 20942334 is about 4576.2794932128. The cubic root of 20942334 is about 275.6396526062.

The spelling of 20942334 in words is "twenty million, nine hundred forty-two thousand, three hundred thirty-four".