20416140220051 has 16 divisors (see below), whose sum is σ = 21339368121600. Its totient is φ = 19495879891488.

The previous prime is 20416140220039. The next prime is 20416140220057. The reversal of 20416140220051 is 15002204161402.

It is a cyclic number.

It is not a de Polignac number, because 20416140220051 - 2⁹ = 20416140219539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20416140220057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 434760265 + ... + 434807221.

It is an arithmetic number, because the mean of its divisors is an integer number (1333710507600).

Almost surely, 2^{20416140220051} is an apocalyptic number.

20416140220051 is a deficient number, since it is larger than the sum of its proper divisors (923227901549).

20416140220051 is a wasteful number, since it uses less digits than its factorization.

20416140220051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78138.

The product of its (nonzero) digits is 3840, while the sum is 28.

Adding to 20416140220051 its reverse (15002204161402), we get a palindrome (35418344381453).

The spelling of 20416140220051 in words is "twenty trillion, four hundred sixteen billion, one hundred forty million, two hundred twenty thousand, fifty-one".