20778119962 has 8 divisors (see below), whose sum is σ = 31168053792. Its totient is φ = 10388768700.

The previous prime is 20778119939. The next prime is 20778119963. The reversal of 20778119962 is 26991187702.

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

It is not an unprimeable number, because it can be changed into a prime (20778119963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41614 + ... + 208057.

It is an arithmetic number, because the mean of its divisors is an integer number (3896006724).

Almost surely, 2^20778119962 is an apocalyptic number.

20778119962 is a deficient number, since it is larger than the sum of its proper divisors (10389933830).

20778119962 is a wasteful number, since it uses less digits than its factorization.

20778119962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291284.

The product of its (nonzero) digits is 762048, while the sum is 52.

The spelling of 20778119962 in words is "twenty billion, seven hundred seventy-eight million, one hundred nineteen thousand, nine hundred sixty-two".