20401401201 has 8 divisors (see below), whose sum is σ = 27210944544. Its totient is φ = 13596396000.

The previous prime is 20401401187. The next prime is 20401401253. The reversal of 20401401201 is 10210410402.

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

It is not a de Polignac number, because 20401401201 - 2⁷ = 20401401073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20401401001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1124031 + ... + 1142036.

It is an arithmetic number, because the mean of its divisors is an integer number (3401368068).

Almost surely, 2^20401401201 is an apocalyptic number.

It is an amenable number.

20401401201 is a deficient number, since it is larger than the sum of its proper divisors (6809543343).

20401401201 is a wasteful number, since it uses less digits than its factorization.

20401401201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2269071.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20401401201 its reverse (10210410402), we get a palindrome (30611811603).

The spelling of 20401401201 in words is "twenty billion, four hundred one million, four hundred one thousand, two hundred one".