20763368 has 8 divisors (see below), whose sum is σ = 38931330. Its totient is φ = 10381680.

The previous prime is 20763359. The next prime is 20763377. The reversal of 20763368 is 86336702.

It is an interprime number because it is at equal distance from previous prime (20763359) and next prime (20763377).

It can be written as a sum of positive squares in only one way, i.e., 10510564 + 10252804 = 3242^2 + 3202^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×20763368² = 862234901406848, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1297703 + ... + 1297718.

Almost surely, 2^20763368 is an apocalyptic number.

It is an amenable number.

20763368 is a deficient number, since it is larger than the sum of its proper divisors (18167962).

20763368 is a wasteful number, since it uses less digits than its factorization.

20763368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2595427 (or 2595423 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 20763368 is about 4556.6838819475. The cubic root of 20763368 is about 274.8522313559.

The spelling of 20763368 in words is "twenty million, seven hundred sixty-three thousand, three hundred sixty-eight".