20776027418 has 8 divisors (see below), whose sum is σ = 31166209620. Its totient is φ = 10387290880.

The previous prime is 20776027379. The next prime is 20776027453. The reversal of 20776027418 is 81472067702.

It can be written as a sum of positive squares in 2 ways, for example, as 19230200929 + 1545826489 = 138673^2 + 39317^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 324743 + ... + 383418.

Almost surely, 2^20776027418 is an apocalyptic number.

20776027418 is a deficient number, since it is larger than the sum of its proper divisors (10390182202).

20776027418 is a wasteful number, since it uses less digits than its factorization.

20776027418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722832.

The product of its (nonzero) digits is 263424, while the sum is 44.

The spelling of 20776027418 in words is "twenty billion, seven hundred seventy-six million, twenty-seven thousand, four hundred eighteen".