2020203431 has 2 divisors, whose sum is σ = 2020203432. Its totient is φ = 2020203430.

The previous prime is 2020203391. The next prime is 2020203461. The reversal of 2020203431 is 1343020202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2020203431 - 2¹⁰ = 2020202407 is a prime.

It is a super-2 number, since 2×2020203431² = 8162443805248343522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2020203461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010101715 + 1010101716.

It is an arithmetic number, because the mean of its divisors is an integer number (1010101716).

Almost surely, 2^2020203431 is an apocalyptic number.

2020203431 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020203431 is an equidigital number, since it uses as much as digits as its factorization.

2020203431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 2020203431 is about 44946.6731916835. The cubic root of 2020203431 is about 1264.1492988388.

Adding to 2020203431 its reverse (1343020202), we get a palindrome (3363223633).

The spelling of 2020203431 in words is "two billion, twenty million, two hundred three thousand, four hundred thirty-one".