20386322 has 24 divisors (see below), whose sum is σ = 34187916. Its totient is φ = 9108000.

The previous prime is 20386319. The next prime is 20386337. The reversal of 20386322 is 22368302.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 18309841 + 2076481 = 4279^2 + 1441^2 .

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 20386291 and 20386300.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14072 + ... + 15452.

Almost surely, 2^20386322 is an apocalyptic number.

20386322 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20386322 is a deficient number, since it is larger than the sum of its proper divisors (13801594).

20386322 is a wasteful number, since it uses less digits than its factorization.

20386322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1466 (or 1455 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 20386322 is about 4515.1214823081. The cubic root of 20386322 is about 273.1783598336.

The spelling of 20386322 in words is "twenty million, three hundred eighty-six thousand, three hundred twenty-two".