20601230503035 has 64 divisors (see below), whose sum is σ = 42332428228608. Its totient is φ = 8315298376704.

The previous prime is 20601230503031. The next prime is 20601230503037. The reversal of 20601230503035 is 53030503210602.

It is not a de Polignac number, because 20601230503035 - 2² = 20601230503031 is a prime.

It is a super-2 number, since 2×20601230503035² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20601230502993 and 20601230503011.

It is not an unprimeable number, because it can be changed into a prime (20601230503031) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 328065922 + ... + 328128711.

It is an arithmetic number, because the mean of its divisors is an integer number (661444191072).

Almost surely, 2^{20601230503035} is an apocalyptic number.

20601230503035 is an abundant number, since it is smaller than the sum of its proper divisors (21731197725573).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20601230503035 is a wasteful number, since it uses less digits than its factorization.

20601230503035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656194684.

The product of its (nonzero) digits is 16200, while the sum is 30.

Adding to 20601230503035 its reverse (53030503210602), we get a palindrome (73631733713637).

The spelling of 20601230503035 in words is "twenty trillion, six hundred one billion, two hundred thirty million, five hundred three thousand, thirty-five".