20331020123241 has 16 divisors (see below), whose sum is σ = 27195120395520. Its totient is φ = 13510468183680.

The previous prime is 20331020123201. The next prime is 20331020123251. The reversal of 20331020123241 is 14232102013302.

It is a de Polignac number, because none of the positive numbers 2^k-20331020123241 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20331020123201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63465931 + ... + 63785471.

It is an arithmetic number, because the mean of its divisors is an integer number (1699695024720).

Almost surely, 2^{20331020123241} is an apocalyptic number.

It is an amenable number.

20331020123241 is a deficient number, since it is larger than the sum of its proper divisors (6864100272279).

20331020123241 is a wasteful number, since it uses less digits than its factorization.

20331020123241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387616.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 20331020123241 its reverse (14232102013302), we get a palindrome (34563122136543).

The spelling of 20331020123241 in words is "twenty trillion, three hundred thirty-one billion, twenty million, one hundred twenty-three thousand, two hundred forty-one".