20963392 has 14 divisors (see below), whose sum is σ = 41599358. Its totient is φ = 10481664.

The previous prime is 20963387. The next prime is 20963399. The reversal of 20963392 is 29336902.

It can be written as a sum of positive squares in only one way, i.e., 11128896 + 9834496 = 3336^2 + 3136^2 .

It is not an unprimeable number, because it can be changed into a prime (20963399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163713 + ... + 163840.

Almost surely, 2^20963392 is an apocalyptic number.

It is an amenable number.

20963392 is a deficient number, since it is larger than the sum of its proper divisors (20635966).

20963392 is an equidigital number, since it uses as much as digits as its factorization.

20963392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327565 (or 327555 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 34.

The square root of 20963392 is about 4578.5796924374. The cubic root of 20963392 is about 275.7320090010.

The spelling of 20963392 in words is "twenty million, nine hundred sixty-three thousand, three hundred ninety-two".