20136422235061 has 8 divisors (see below), whose sum is σ = 22058918236800. Its totient is φ = 18229244927040.

The previous prime is 20136422235043. The next prime is 20136422235089. The reversal of 20136422235061 is 16053222463102.

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

It is a cyclic number.

It is not a de Polignac number, because 20136422235061 - 2⁷ = 20136422234933 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20136422235061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20136422235161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3829670676 + ... + 3829675933.

It is an arithmetic number, because the mean of its divisors is an integer number (2757364779600).

Almost surely, 2^{20136422235061} is an apocalyptic number.

It is an amenable number.

20136422235061 is a deficient number, since it is larger than the sum of its proper divisors (1922496001739).

20136422235061 is a wasteful number, since it uses less digits than its factorization.

20136422235061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7659346859.

The product of its (nonzero) digits is 103680, while the sum is 37.

Adding to 20136422235061 its reverse (16053222463102), we get a palindrome (36189644698163).

The spelling of 20136422235061 in words is "twenty trillion, one hundred thirty-six billion, four hundred twenty-two million, two hundred thirty-five thousand, sixty-one".