20411092 has 48 divisors (see below), whose sum is σ = 41191360. Its totient is φ = 8771328.

The previous prime is 20411089. The next prime is 20411093. The reversal of 20411092 is 29011402.

It is a super-3 number, since 3×20411092³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20411093) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71983 + ... + 72265.

Almost surely, 2^20411092 is an apocalyptic number.

It is an amenable number.

20411092 is an abundant number, since it is smaller than the sum of its proper divisors (20780268).

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

20411092 is a wasteful number, since it uses less digits than its factorization.

20411092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392 (or 390 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 20411092 is about 4517.8636544278. The cubic root of 20411092 is about 273.2889550531.

Adding to 20411092 its reverse (29011402), we get a palindrome (49422494).

The spelling of 20411092 in words is "twenty million, four hundred eleven thousand, ninety-two".