20203200012031 has 4 divisors (see below), whose sum is σ = 20205113385600. Its totient is φ = 20201286638464.

The previous prime is 20203200012011. The next prime is 20203200012041. The reversal of 20203200012031 is 13021000230202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20203200012031 - 2⁷ = 20203200011903 is a prime.

It is a super-2 number, since 2×20203200012031² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20203200011996 and 20203200012014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20203200012011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 956670946 + ... + 956692063.

It is an arithmetic number, because the mean of its divisors is an integer number (5051278346400).

Almost surely, 2^{20203200012031} is an apocalyptic number.

20203200012031 is a deficient number, since it is larger than the sum of its proper divisors (1913373569).

20203200012031 is a wasteful number, since it uses less digits than its factorization.

20203200012031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1913373568.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20203200012031 its reverse (13021000230202), we get a palindrome (33224200242233).

The spelling of 20203200012031 in words is "twenty trillion, two hundred three billion, two hundred million, twelve thousand, thirty-one".