20768802 has 16 divisors (see below), whose sum is σ = 41674080. Its totient is φ = 6900192.

The previous prime is 20768801. The next prime is 20768819. The reversal of 20768802 is 20886702.

It is not an unprimeable number, because it can be changed into a prime (20768801) 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 in 7 ways as a sum of consecutive naturals, for example, 3652 + ... + 7407.

It is an arithmetic number, because the mean of its divisors is an integer number (2604630).

Almost surely, 2^20768802 is an apocalyptic number.

20768802 is an abundant number, since it is smaller than the sum of its proper divisors (20905278).

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

20768802 is a wasteful number, since it uses less digits than its factorization.

20768802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11377.

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 20768802 is about 4557.2801098901. The cubic root of 20768802 is about 274.8762065407.

It can be divided in two parts, 2076 and 8802, that added together give a triangular number (10878 = T₁₄₇).

The spelling of 20768802 in words is "twenty million, seven hundred sixty-eight thousand, eight hundred two".