20850132 has 24 divisors (see below), whose sum is σ = 49378336. Its totient is φ = 6846048.

The previous prime is 20850131. The next prime is 20850169. The reversal of 20850132 is 23105802.

It is a junction number, because it is equal to n+sod(n) for n = 20850099 and 20850108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20850131) 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 7 ways as a sum of consecutive naturals, for example, 12163 + ... + 13770.

Almost surely, 2^20850132 is an apocalyptic number.

It is an amenable number.

20850132 is an abundant number, since it is smaller than the sum of its proper divisors (28528204).

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

20850132 is a wasteful number, since it uses less digits than its factorization.

20850132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26007 (or 26005 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 20850132 is about 4566.1944768045. The cubic root of 20850132 is about 275.2345415056.

Adding to 20850132 its reverse (23105802), we get a palindrome (43955934).

The spelling of 20850132 in words is "twenty million, eight hundred fifty thousand, one hundred thirty-two".