20401402400331 has 8 divisors (see below), whose sum is σ = 27937055539344. Its totient is φ = 13233342097440.

The previous prime is 20401402400263. The next prime is 20401402400429. The reversal of 20401402400331 is 13300420410402.

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

It is not a de Polignac number, because 20401402400331 - 2¹⁰ = 20401402399307 is a prime.

It is a super-2 number, since 2×20401402400331² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20401402405331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91898208900 + ... + 91898209121.

It is an arithmetic number, because the mean of its divisors is an integer number (3492131942418).

Almost surely, 2^{20401402400331} is an apocalyptic number.

20401402400331 is a deficient number, since it is larger than the sum of its proper divisors (7535653139013).

20401402400331 is a wasteful number, since it uses less digits than its factorization.

20401402400331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183796418061.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 20401402400331 its reverse (13300420410402), we get a palindrome (33701822810733).

The spelling of 20401402400331 in words is "twenty trillion, four hundred one billion, four hundred two million, four hundred thousand, three hundred thirty-one".