20767042 has 8 divisors (see below), whose sum is σ = 31298832. Its totient is φ = 10334100.

The previous prime is 20767039. The next prime is 20767051. The reversal of 20767042 is 24076702.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 20767042.

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 3 ways as a sum of consecutive naturals, for example, 24184 + ... + 25027.

It is an arithmetic number, because the mean of its divisors is an integer number (3912354).

Almost surely, 2^20767042 is an apocalyptic number.

20767042 is a deficient number, since it is larger than the sum of its proper divisors (10531790).

20767042 is a wasteful number, since it uses less digits than its factorization.

20767042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49424.

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 20767042 is about 4557.0870081665. The cubic root of 20767042 is about 274.8684417566.

The spelling of 20767042 in words is "twenty million, seven hundred sixty-seven thousand, forty-two".