20733032 has 16 divisors (see below), whose sum is σ = 39160260. Its totient is φ = 10290304.

The previous prime is 20733029. The next prime is 20733067. The reversal of 20733032 is 23033702.

It can be written as a sum of positive squares in 2 ways, for example, as 19838116 + 894916 = 4454^2 + 946^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20732995 and 20733013.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8363 + ... + 10554.

Almost surely, 2^20733032 is an apocalyptic number.

It is an amenable number.

20733032 is a deficient number, since it is larger than the sum of its proper divisors (18427228).

20733032 is a wasteful number, since it uses less digits than its factorization.

20733032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19060 (or 19056 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 20.

The square root of 20733032 is about 4553.3539286992. The cubic root of 20733032 is about 274.7183099027.

Adding to 20733032 its reverse (23033702), we get a palindrome (43766734).

The spelling of 20733032 in words is "twenty million, seven hundred thirty-three thousand, thirty-two".