20703032 has 64 divisors (see below), whose sum is σ = 46448640. Its totient is φ = 8467200.

The previous prime is 20703031. The next prime is 20703079. The reversal of 20703032 is 23030702.

It is a self number, because there is not a number n which added to its sum of digits gives 20703032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20703031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162953 + ... + 163079.

It is an arithmetic number, because the mean of its divisors is an integer number (725760).

Almost surely, 2^20703032 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 20703032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23224320).

20703032 is an abundant number, since it is smaller than the sum of its proper divisors (25745608).

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

20703032 is a wasteful number, since it uses less digits than its factorization.

20703032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252 (or 248 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 17.

The square root of 20703032 is about 4550.0584611629. The cubic root of 20703032 is about 274.5857432239.

Adding to 20703032 its reverse (23030702), we get a palindrome (43733734).

The spelling of 20703032 in words is "twenty million, seven hundred three thousand, thirty-two".