20401324043024 has 10 divisors (see below), whose sum is σ = 39527565333390. Its totient is φ = 10200662021504.

The previous prime is 20401324042997. The next prime is 20401324043027. The reversal of 20401324043024 is 42034042310402.

It can be written as a sum of positive squares in only one way, i.e., 20019360490000 + 381963553024 = 4474300^2 + 618032^2 .

It is not an unprimeable number, because it can be changed into a prime (20401324043027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 637541376329 + ... + 637541376360.

It is an arithmetic number, because the mean of its divisors is an integer number (3952756533339).

Almost surely, 2^{20401324043024} is an apocalyptic number.

It is an amenable number.

20401324043024 is a deficient number, since it is larger than the sum of its proper divisors (19126241290366).

20401324043024 is a wasteful number, since it uses less digits than its factorization.

20401324043024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1275082752697 (or 1275082752691 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 20401324043024 its reverse (42034042310402), we get a palindrome (62435366353426).

The spelling of 20401324043024 in words is "twenty trillion, four hundred one billion, three hundred twenty-four million, forty-three thousand, twenty-four".