20322442 has 8 divisors (see below), whose sum is σ = 34838496. Its totient is φ = 8709612.

The previous prime is 20322433. The next prime is 20322451. The reversal of 20322442 is 24422302.

It is an interprime number because it is at equal distance from previous prime (20322433) and next prime (20322451).

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, 725788 + ... + 725815.

It is an arithmetic number, because the mean of its divisors is an integer number (4354812).

Almost surely, 2^20322442 is an apocalyptic number.

20322442 is a deficient number, since it is larger than the sum of its proper divisors (14516054).

20322442 is a wasteful number, since it uses less digits than its factorization.

20322442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1451612.

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 20322442 is about 4508.0419252709. The cubic root of 20322442 is about 272.8927289016.

Adding to 20322442 its reverse (24422302), we get a palindrome (44744744).

The spelling of 20322442 in words is "twenty million, three hundred twenty-two thousand, four hundred forty-two".