20252092 has 48 divisors (see below), whose sum is σ = 42840000. Its totient is φ = 8363712.

The previous prime is 20252077. The next prime is 20252093. The reversal of 20252092 is 29025202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20252093) 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, 39534 + ... + 40042.

It is an arithmetic number, because the mean of its divisors is an integer number (892500).

Almost surely, 2^20252092 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20252092, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21420000).

20252092 is an abundant number, since it is smaller than the sum of its proper divisors (22587908).

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

20252092 is a wasteful number, since it uses less digits than its factorization.

20252092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563 (or 547 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 20252092 is about 4500.2324384414. The cubic root of 20252092 is about 272.5774748147.

Adding to 20252092 its reverse (29025202), we get a palindrome (49277294).

The spelling of 20252092 in words is "twenty million, two hundred fifty-two thousand, ninety-two".