4020200100401 has 4 divisors (see below), whose sum is σ = 4158827690100. Its totient is φ = 3881572510704.

The previous prime is 4020200100383. The next prime is 4020200100431. The reversal of 4020200100401 is 1040010020204.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1917117160000 + 2103082940401 = 1384600^2 + 1450201^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4020200100401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4020200100431) 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 3 ways as a sum of consecutive naturals, for example, 69313794806 + ... + 69313794863.

It is an arithmetic number, because the mean of its divisors is an integer number (1039706922525).

Almost surely, 2^{4020200100401} is an apocalyptic number.

It is an amenable number.

4020200100401 is a deficient number, since it is larger than the sum of its proper divisors (138627589699).

4020200100401 is a wasteful number, since it uses less digits than its factorization.

4020200100401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138627589698.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 4020200100401 its reverse (1040010020204), we get a palindrome (5060210120605).

The spelling of 4020200100401 in words is "four trillion, twenty billion, two hundred million, one hundred thousand, four hundred one".