20313822 has 8 divisors (see below), whose sum is σ = 40627656. Its totient is φ = 6771272.

The previous prime is 20313809. The next prime is 20313841. The reversal of 20313822 is 22831302.

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

20313822 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1692813 + ... + 1692824.

It is an arithmetic number, because the mean of its divisors is an integer number (5078457).

Almost surely, 2^20313822 is an apocalyptic number.

20313822 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20313822 is a wasteful number, since it uses less digits than its factorization.

20313822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3385642.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 20313822 is about 4507.0857546756. The cubic root of 20313822 is about 272.8541399041.

The spelling of 20313822 in words is "twenty million, three hundred thirteen thousand, eight hundred twenty-two".