20046422 has 8 divisors (see below), whose sum is σ = 32803272. Its totient is φ = 9112000.

The previous prime is 20046421. The next prime is 20046427. The reversal of 20046422 is 22464002.

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 = 20046394 and 20046403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20046421) 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, 455579 + ... + 455622.

It is an arithmetic number, because the mean of its divisors is an integer number (4100409).

Almost surely, 2^20046422 is an apocalyptic number.

20046422 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20046422 is a deficient number, since it is larger than the sum of its proper divisors (12756850).

20046422 is a wasteful number, since it uses less digits than its factorization.

20046422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911214.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 20046422 is about 4477.3230841654. The cubic root of 20046422 is about 271.6516138715.

The spelling of 20046422 in words is "twenty million, forty-six thousand, four hundred twenty-two".