20146922 has 8 divisors (see below), whose sum is σ = 30584736. Its totient is φ = 9952012.

The previous prime is 20146831. The next prime is 20146927. The reversal of 20146922 is 22964102.

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

It is a junction number, because it is equal to n+sod(n) for n = 20146891 and 20146900.

It is not an unprimeable number, because it can be changed into a prime (20146927) 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, 60518 + ... + 60849.

It is an arithmetic number, because the mean of its divisors is an integer number (3823092).

Almost surely, 2^20146922 is an apocalyptic number.

20146922 is a deficient number, since it is larger than the sum of its proper divisors (10437814).

20146922 is a wasteful number, since it uses less digits than its factorization.

20146922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121452.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 20146922 is about 4488.5322768139. The cubic root of 20146922 is about 272.1048201109.

The spelling of 20146922 in words is "twenty million, one hundred forty-six thousand, nine hundred twenty-two".