20366022 has 8 divisors (see below), whose sum is σ = 40732056. Its totient is φ = 6788672.

The previous prime is 20366011. The next prime is 20366029. The reversal of 20366022 is 22066302.

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

20366022 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 20366022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20366029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1697163 + ... + 1697174.

It is an arithmetic number, because the mean of its divisors is an integer number (5091507).

Almost surely, 2^20366022 is an apocalyptic number.

20366022 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.

20366022 is a wasteful number, since it uses less digits than its factorization.

20366022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3394342.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 20366022 is about 4512.8729208787. The cubic root of 20366022 is about 273.0876558409.

The spelling of 20366022 in words is "twenty million, three hundred sixty-six thousand, twenty-two".