20262632 has 64 divisors (see below), whose sum is σ = 43908480. Its totient is φ = 8692992.

The previous prime is 20262601. The next prime is 20262637. The reversal of 20262632 is 23626202.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 20262598 and 20262607.

It is not an unprimeable number, because it can be changed into a prime (20262637) 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 15 ways as a sum of consecutive naturals, for example, 102758 + ... + 102954.

It is an arithmetic number, because the mean of its divisors is an integer number (686070).

Almost surely, 2^20262632 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 20262632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21954240).

20262632 is an abundant number, since it is smaller than the sum of its proper divisors (23645848).

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

20262632 is a wasteful number, since it uses less digits than its factorization.

20262632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282 (or 278 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 20262632 is about 4501.4033367384. The cubic root of 20262632 is about 272.6247533596.

Adding to 20262632 its reverse (23626202), we get a palindrome (43888834).

The spelling of 20262632 in words is "twenty million, two hundred sixty-two thousand, six hundred thirty-two".