20822368 has 24 divisors (see below), whose sum is σ = 46850832. Its totient is φ = 8923776.

The previous prime is 20822353. The next prime is 20822371. The reversal of 20822368 is 86322802.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46255 + ... + 46702.

It is an arithmetic number, because the mean of its divisors is an integer number (1952118).

Almost surely, 2^20822368 is an apocalyptic number.

20822368 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

20822368 is an abundant number, since it is smaller than the sum of its proper divisors (26028464).

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

20822368 is an equidigital number, since it uses as much as digits as its factorization.

20822368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92974 (or 92966 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 20822368 is about 4563.1532956937. The cubic root of 20822368 is about 275.1123199584.

The spelling of 20822368 in words is "twenty million, eight hundred twenty-two thousand, three hundred sixty-eight".