20922327 has 8 divisors (see below), whose sum is σ = 30996080. Its totient is φ = 13948200.

The previous prime is 20922323. The next prime is 20922347. The reversal of 20922327 is 72322902.

It is not a de Polignac number, because 20922327 - 2² = 20922323 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 774901 = 20922327 / (2 + 0 + 9 + 2 + 2 + 3 + 2 + 7).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20922327.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20922323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 387424 + ... + 387477.

It is an arithmetic number, because the mean of its divisors is an integer number (3874510).

Almost surely, 2^20922327 is an apocalyptic number.

20922327 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

20922327 is a deficient number, since it is larger than the sum of its proper divisors (10073753).

20922327 is an equidigital number, since it uses as much as digits as its factorization.

20922327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 774910 (or 774904 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 20922327 is about 4574.0930248520. The cubic root of 20922327 is about 275.5518483273.

The spelling of 20922327 in words is "twenty million, nine hundred twenty-two thousand, three hundred twenty-seven".