20722094 has 8 divisors (see below), whose sum is σ = 31120848. Its totient is φ = 10348480.

The previous prime is 20722073. The next prime is 20722123. The reversal of 20722094 is 49022702.

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

It is a Curzon number.

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, 4067 + ... + 7614.

It is an arithmetic number, because the mean of its divisors is an integer number (3890106).

Almost surely, 2^20722094 is an apocalyptic number.

20722094 is a deficient number, since it is larger than the sum of its proper divisors (10398754).

20722094 is a wasteful number, since it uses less digits than its factorization.

20722094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12570.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 20722094 is about 4552.1526775801. The cubic root of 20722094 is about 274.6699909135.

Adding to 20722094 its reverse (49022702), we get a palindrome (69744796).

The spelling of 20722094 in words is "twenty million, seven hundred twenty-two thousand, ninety-four".