201114640165420 has 24 divisors (see below), whose sum is σ = 422707041658944. Its totient is φ = 80376085149696.

The previous prime is 201114640165391. The next prime is 201114640165421. The reversal of 201114640165420 is 24561046411102.

It is a self number, because there is not a number n which added to its sum of digits gives 201114640165420.

It is not an unprimeable number, because it can be changed into a prime (201114640165421) 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, 4360658644 + ... + 4360704763.

It is an arithmetic number, because the mean of its divisors is an integer number (17612793402456).

Almost surely, 2^{201114640165420} is an apocalyptic number.

201114640165420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201114640165420 is an abundant number, since it is smaller than the sum of its proper divisors (221592401493524).

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

201114640165420 is a wasteful number, since it uses less digits than its factorization.

201114640165420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8721364569 (or 8721364567 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 37.

Adding to 201114640165420 its reverse (24561046411102), we get a palindrome (225675686576522).

The spelling of 201114640165420 in words is "two hundred one trillion, one hundred fourteen billion, six hundred forty million, one hundred sixty-five thousand, four hundred twenty".