20116761622225 has 12 divisors (see below), whose sum is σ = 25063006145200. Its totient is φ = 16017137211600.

The previous prime is 20116761622211. The next prime is 20116761622267. The reversal of 20116761622225 is 52222616761102.

It is not a de Polignac number, because 20116761622225 - 2²¹ = 20116759525073 is a prime.

It is a super-2 number, since 2×20116761622225² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1906796775 + ... + 1906807324.

Almost surely, 2^{20116761622225} is an apocalyptic number.

20116761622225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20116761622225 is a deficient number, since it is larger than the sum of its proper divisors (4946244522975).

20116761622225 is a wasteful number, since it uses less digits than its factorization.

20116761622225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3813604320 (or 3813604315 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 20116761622225 in words is "twenty trillion, one hundred sixteen billion, seven hundred sixty-one million, six hundred twenty-two thousand, two hundred twenty-five".