20119720336 has 15 divisors (see below), whose sum is σ = 38983057473. Its totient is φ = 10059576480.

The previous prime is 20119720333. The next prime is 20119720343. The reversal of 20119720336 is 63302791102.

The square root of 20119720336 is 141844.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 7984494736 + 12135225600 = 89356^2 + 110160^2 .

It is a super-3 number, since 3×20119720336³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20119720333) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 549646 + ... + 585106.

Almost surely, 2^20119720336 is an apocalyptic number.

20119720336 is the 141844-th square number.

It is an amenable number.

20119720336 is a deficient number, since it is larger than the sum of its proper divisors (18863337137).

20119720336 is an frugal number, since it uses more digits than its factorization.

20119720336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70930 (or 35463 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 34.

The spelling of 20119720336 in words is "twenty billion, one hundred nineteen million, seven hundred twenty thousand, three hundred thirty-six".