20703952 has 20 divisors (see below), whose sum is σ = 40185796. Its totient is φ = 10333440.

The previous prime is 20703937. The next prime is 20703959. The reversal of 20703952 is 25930702.

It can be written as a sum of positive squares in 2 ways, for example, as 4511376 + 16192576 = 2124^2 + 4024^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20703952.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20703959) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14302 + ... + 15682.

Almost surely, 2^20703952 is an apocalyptic number.

It is an amenable number.

20703952 is a deficient number, since it is larger than the sum of its proper divisors (19481844).

20703952 is a wasteful number, since it uses less digits than its factorization.

20703952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2326 (or 2320 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 20703952 is about 4550.1595576419. The cubic root of 20703952 is about 274.5898105049.

The spelling of 20703952 in words is "twenty million, seven hundred three thousand, nine hundred fifty-two".