20763364 has 24 divisors (see below), whose sum is σ = 37537920. Its totient is φ = 10041696.

The previous prime is 20763359. The next prime is 20763377. The reversal of 20763364 is 46336702.

It is a super-2 number, since 2×20763364² = 862234569192992, 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 in 7 ways as a sum of consecutive naturals, for example, 35079 + ... + 35665.

It is an arithmetic number, because the mean of its divisors is an integer number (1564080).

Almost surely, 2^20763364 is an apocalyptic number.

It is an amenable number.

20763364 is a deficient number, since it is larger than the sum of its proper divisors (16774556).

20763364 is a wasteful number, since it uses less digits than its factorization.

20763364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 867 (or 865 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 31.

The square root of 20763364 is about 4556.6834430318. The cubic root of 20763364 is about 274.8522137061.

The spelling of 20763364 in words is "twenty million, seven hundred sixty-three thousand, three hundred sixty-four".