20060779 has 8 divisors (see below), whose sum is σ = 20805120. Its totient is φ = 19320000.

The previous prime is 20060759. The next prime is 20060783. The reversal of 20060779 is 97706002.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 20060779 - 2¹³ = 20052587 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20060779.

It is not an unprimeable number, because it can be changed into a prime (20060749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16854 + ... + 18004.

It is an arithmetic number, because the mean of its divisors is an integer number (2600640).

Almost surely, 2^20060779 is an apocalyptic number.

20060779 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

20060779 is a deficient number, since it is larger than the sum of its proper divisors (744341).

20060779 is a wasteful number, since it uses less digits than its factorization.

20060779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1781.

The product of its (nonzero) digits is 5292, while the sum is 31.

The square root of 20060779 is about 4478.9260989661. The cubic root of 20060779 is about 271.7164495734.

The spelling of 20060779 in words is "twenty million, sixty thousand, seven hundred seventy-nine".