20768026 has 16 divisors (see below), whose sum is σ = 33680160. Its totient is φ = 9570960.

The previous prime is 20768023. The next prime is 20768029. The reversal of 20768026 is 62086702.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20768023) and next prime (20768029).

It is not an unprimeable number, because it can be changed into a prime (20768021) by changing a digit.

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, 5980 + ... + 8791.

It is an arithmetic number, because the mean of its divisors is an integer number (2105010).

Almost surely, 2^20768026 is an apocalyptic number.

20768026 is a deficient number, since it is larger than the sum of its proper divisors (12912134).

20768026 is a wasteful number, since it uses less digits than its factorization.

20768026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14829.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 20768026 is about 4557.1949705932. The cubic root of 20768026 is about 274.8727830309.

The spelling of 20768026 in words is "twenty million, seven hundred sixty-eight thousand, twenty-six".