201124020402 has 24 divisors (see below), whose sum is σ = 458703906960.
Its totient is φ = 63512848440.
The previous prime is 201124020401. The next prime is 201124020403. The reversal of 201124020402 is 204020421102.
Adding to 201124020402 its reverse (204020421102), we get a palindrome (405144441504).
201124020402 is a `hidden beast` number, since 2 + 0 + 1 + 1 + 240 + 20 + 402 = 666.
201124020402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (201124020401) and next prime (201124020403).
It is a super-2 number, since 2×2011240204022 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (201124020401) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 294040624 + ... + 294041307.
It is an arithmetic number, because the mean of its divisors is an integer number (19112662790).
Almost surely, 2201124020402 is an apocalyptic number.
201124020402 is an abundant number, since it is smaller than the sum of its proper divisors (257579886558).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
201124020402 is a wasteful number, since it uses less digits than its factorization.
201124020402 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 588081958 (or 588081955 counting only the distinct ones).
The product of its (nonzero) digits is 256, while the sum is 18.
The spelling of 201124020402 in words is "two hundred one billion, one hundred twenty-four million, twenty thousand, four hundred two".