20119720335 has 64 divisors (see below), whose sum is σ = 37844513280. Its totient is φ = 8998663680.

The previous prime is 20119720333. The next prime is 20119720343. The reversal of 20119720335 is 53302791102.

It is a Cunningham number, because it is equal to 141844²-1.

It is not a de Polignac number, because 20119720335 - 2¹ = 20119720333 is a prime.

It is a super-2 number, since 2×20119720335² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 20119720296 and 20119720305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20119720333) 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 63 ways as a sum of consecutive naturals, for example, 5530137 + ... + 5533773.

It is an arithmetic number, because the mean of its divisors is an integer number (591320520).

Almost surely, 2^20119720335 is an apocalyptic number.

20119720335 is a deficient number, since it is larger than the sum of its proper divisors (17724792945).

20119720335 is a wasteful number, since it uses less digits than its factorization.

20119720335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6248.

The product of its (nonzero) digits is 11340, while the sum is 33.

The spelling of 20119720335 in words is "twenty billion, one hundred nineteen million, seven hundred twenty thousand, three hundred thirty-five".