20169722 has 8 divisors (see below), whose sum is σ = 30342816. Its totient is φ = 10055452.

The previous prime is 20169719. The next prime is 20169731. The reversal of 20169722 is 22796102.

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

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, 13838 + ... + 15225.

It is an arithmetic number, because the mean of its divisors is an integer number (3792852).

Almost surely, 2^20169722 is an apocalyptic number.

20169722 is a deficient number, since it is larger than the sum of its proper divisors (10173094).

20169722 is a wasteful number, since it uses less digits than its factorization.

20169722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29412.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 20169722 is about 4491.0713643851. The cubic root of 20169722 is about 272.2074271997.

The spelling of 20169722 in words is "twenty million, one hundred sixty-nine thousand, seven hundred twenty-two".