20203131024401 has 16 divisors (see below), whose sum is σ = 22220388814848. Its totient is φ = 18252049464000.

The previous prime is 20203131024397. The next prime is 20203131024409. The reversal of 20203131024401 is 10442013130202.

It is a cyclic number.

It is not a de Polignac number, because 20203131024401 - 2² = 20203131024397 is a prime.

It is a super-2 number, since 2×20203131024401² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20203131024409) 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, 87594491 + ... + 87824831.

It is an arithmetic number, because the mean of its divisors is an integer number (1388774300928).

Almost surely, 2^{20203131024401} is an apocalyptic number.

It is an amenable number.

20203131024401 is a deficient number, since it is larger than the sum of its proper divisors (2017257790447).

20203131024401 is a wasteful number, since it uses less digits than its factorization.

20203131024401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373952.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 20203131024401 its reverse (10442013130202), we get a palindrome (30645144154603).

The spelling of 20203131024401 in words is "twenty trillion, two hundred three billion, one hundred thirty-one million, twenty-four thousand, four hundred one".