20401403241 has 16 divisors (see below), whose sum is σ = 27976390848. Its totient is φ = 13216320000.

The previous prime is 20401403219. The next prime is 20401403251. The reversal of 20401403241 is 14230410402.

It is not a de Polignac number, because 20401403241 - 2¹⁷ = 20401272169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20401403201) 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 15 ways as a sum of consecutive naturals, for example, 299536 + ... + 361281.

It is an arithmetic number, because the mean of its divisors is an integer number (1748524428).

Almost surely, 2^20401403241 is an apocalyptic number.

It is an amenable number.

20401403241 is a deficient number, since it is larger than the sum of its proper divisors (7574987607).

20401403241 is a wasteful number, since it uses less digits than its factorization.

20401403241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661112.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 20401403241 its reverse (14230410402), we get a palindrome (34631813643).

The spelling of 20401403241 in words is "twenty billion, four hundred one million, four hundred three thousand, two hundred forty-one".