20960672 has 12 divisors (see below), whose sum is σ = 41266386. Its totient is φ = 10480320.

The previous prime is 20960669. The next prime is 20960689. The reversal of 20960672 is 27606902.

It can be written as a sum of positive squares in only one way, i.e., 18284176 + 2676496 = 4276^2 + 1636^2 .

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 655021 = 20960672 / (2 + 0 + 9 + 6 + 0 + 6 + 7 + 2).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327479 + ... + 327542.

Almost surely, 2^20960672 is an apocalyptic number.

It is an amenable number.

20960672 is a deficient number, since it is larger than the sum of its proper divisors (20305714).

20960672 is an equidigital number, since it uses as much as digits as its factorization.

20960672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655031 (or 655023 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 20960672 is about 4578.2826474564. The cubic root of 20960672 is about 275.7200830762.

The spelling of 20960672 in words is "twenty million, nine hundred sixty thousand, six hundred seventy-two".