20126232 has 224 divisors, whose sum is σ = 70826400. Its totient is φ = 5225472.

The previous prime is 20126231. The next prime is 20126237. The reversal of 20126232 is 23262102.

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 (20126231) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 693994 + ... + 694022.

Almost surely, 2^20126232 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 20126232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35413200).

20126232 is an abundant number, since it is smaller than the sum of its proper divisors (50700168).

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

20126232 is a wasteful number, since it uses less digits than its factorization.

20126232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77 (or 58 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 20126232 is about 4486.2269224817. The cubic root of 20126232 is about 272.0116416586.

Adding to 20126232 its reverse (23262102), we get a palindrome (43388334).

The spelling of 20126232 in words is "twenty million, one hundred twenty-six thousand, two hundred thirty-two".