20763316 has 12 divisors (see below), whose sum is σ = 41526688. Its totient is φ = 8898552.

The previous prime is 20763283. The next prime is 20763349. The reversal of 20763316 is 61336702.

It is an interprime number because it is at equal distance from previous prime (20763283) and next prime (20763349).

20763316 is an admirable number.

It is a super-2 number, since 2×20763316² = 862230582631712, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 741547 = 20763316 / (2 + 0 + 7 + 6 + 3 + 3 + 1 + 6).

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 370746 + ... + 370801.

Almost surely, 2^20763316 is an apocalyptic number.

It is an amenable number.

20763316 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20763316 is a wasteful number, since it uses less digits than its factorization.

20763316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 741558 (or 741556 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 20763316 is about 4556.6781760401. The cubic root of 20763316 is about 274.8520019081.

The spelling of 20763316 in words is "twenty million, seven hundred sixty-three thousand, three hundred sixteen".