20942322 has 8 divisors (see below), whose sum is σ = 41884656. Its totient is φ = 6980772.

The previous prime is 20942309. The next prime is 20942357. The reversal of 20942322 is 22324902.

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

20942322 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 20942292 and 20942301.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1745188 + ... + 1745199.

It is an arithmetic number, because the mean of its divisors is an integer number (5235582).

Almost surely, 2^20942322 is an apocalyptic number.

20942322 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20942322 is a wasteful number, since it uses less digits than its factorization.

20942322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3490392.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 20942322 is about 4576.2781821039. The cubic root of 20942322 is about 275.6395999588.

The spelling of 20942322 in words is "twenty million, nine hundred forty-two thousand, three hundred twenty-two".