20300022 has 24 divisors (see below), whose sum is σ = 44324280. Its totient is φ = 6714240.

The previous prime is 20300017. The next prime is 20300039. The reversal of 20300022 is 22000302.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 20299977 and 20300013.

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 11 ways as a sum of consecutive naturals, for example, 1947 + ... + 6662.

It is an arithmetic number, because the mean of its divisors is an integer number (1846845).

Almost surely, 2^20300022 is an apocalyptic number.

20300022 is an abundant number, since it is smaller than the sum of its proper divisors (24024258).

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

20300022 is a wasteful number, since it uses less digits than its factorization.

20300022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8748 (or 8745 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 9.

The square root of 20300022 is about 4505.5545718591. The cubic root of 20300022 is about 272.7923389604.

Adding to 20300022 its reverse (22000302), we get a palindrome (42300324).

The spelling of 20300022 in words is "twenty million, three hundred thousand, twenty-two".