20401401041 has 32 divisors (see below), whose sum is σ = 24996077568. Its totient is φ = 16282062720.

The previous prime is 20401401037. The next prime is 20401401073. The reversal of 20401401041 is 14010410402.

It is not a de Polignac number, because 20401401041 - 2² = 20401401037 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 polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 608861 + ... + 641493.

It is an arithmetic number, because the mean of its divisors is an integer number (781127424).

Almost surely, 2^20401401041 is an apocalyptic number.

It is an amenable number.

20401401041 is a deficient number, since it is larger than the sum of its proper divisors (4594676527).

20401401041 is a wasteful number, since it uses less digits than its factorization.

20401401041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32781.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 20401401041 its reverse (14010410402), we get a palindrome (34411811443).

The spelling of 20401401041 in words is "twenty billion, four hundred one million, four hundred one thousand, forty-one".