20206332 has 36 divisors (see below), whose sum is σ = 51398256. Its totient is φ = 6693120.

The previous prime is 20206331. The next prime is 20206343. The reversal of 20206332 is 23360202.

It is a tau number, because it is divible by the number of its divisors (36).

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 (20206331) 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 11 ways as a sum of consecutive naturals, for example, 4332 + ... + 7692.

Almost surely, 2^20206332 is an apocalyptic number.

It is an amenable number.

20206332 is an abundant number, since it is smaller than the sum of its proper divisors (31191924).

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

20206332 is a wasteful number, since it uses less digits than its factorization.

20206332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3538 (or 3533 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 20206332 is about 4495.1453814087. The cubic root of 20206332 is about 272.3720219410.

Adding to 20206332 its reverse (23360202), we get a palindrome (43566534).

The spelling of 20206332 in words is "twenty million, two hundred six thousand, three hundred thirty-two".