20776234 has 16 divisors (see below), whose sum is σ = 33346080. Its totient is φ = 9678960.

The previous prime is 20776229. The next prime is 20776243. The reversal of 20776234 is 43267702.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20776196 and 20776205.

It is an unprimeable number.

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, 2164 + ... + 6799.

It is an arithmetic number, because the mean of its divisors is an integer number (2084130).

Almost surely, 2^20776234 is an apocalyptic number.

20776234 is a deficient number, since it is larger than the sum of its proper divisors (12569846).

20776234 is a wasteful number, since it uses less digits than its factorization.

20776234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9045.

The product of its (nonzero) digits is 14112, while the sum is 31.

The square root of 20776234 is about 4558.0954355959. The cubic root of 20776234 is about 274.9089902698.

The spelling of 20776234 in words is "twenty million, seven hundred seventy-six thousand, two hundred thirty-four".