20212092 has 30 divisors (see below), whose sum is σ = 52839248. Its totient is φ = 6737256.

The previous prime is 20212079. The next prime is 20212097. The reversal of 20212092 is 29021202.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20212097) by changing a digit.

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 9 ways as a sum of consecutive naturals, for example, 30868 + ... + 31515.

Almost surely, 2^20212092 is an apocalyptic number.

It is an amenable number.

20212092 is an abundant number, since it is smaller than the sum of its proper divisors (32627156).

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

20212092 is a wasteful number, since it uses less digits than its factorization.

20212092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62399 (or 62388 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 20212092 is about 4495.7860269368. The cubic root of 20212092 is about 272.3979001953.

Adding to 20212092 its reverse (29021202), we get a palindrome (49233294).

The spelling of 20212092 in words is "twenty million, two hundred twelve thousand, ninety-two".