2020031 has 4 divisors (see below), whose sum is σ = 2175432. Its totient is φ = 1864632.

The previous prime is 2020027. The next prime is 2020037. The reversal of 2020031 is 1300202.

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 2020031 - 2² = 2020027 is a prime.

It is a super-2 number, since 2×2020031² = 8161050481922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77681 + ... + 77706.

It is an arithmetic number, because the mean of its divisors is an integer number (543858).

2^2020031 is an apocalyptic number.

2020031 is a deficient number, since it is larger than the sum of its proper divisors (155401).

2020031 is a wasteful number, since it uses less digits than its factorization.

2020031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155400.

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 2020031 is about 1421.2779460753. The cubic root of 2020031 is about 126.4113331383.

Adding to 2020031 its reverse (1300202), we get a palindrome (3320233).

The spelling of 2020031 in words is "two million, twenty thousand, thirty-one".