2020016831 has 4 divisors (see below), whose sum is σ = 2308590672. Its totient is φ = 1731442992.

The previous prime is 2020016827. The next prime is 2020016879. The reversal of 2020016831 is 1386100202.

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 2020016831 - 2² = 2020016827 is a prime.

It is a super-2 number, since 2×2020016831² = 8160935995046565122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2020016797 and 2020016806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020016821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144286910 + ... + 144286923.

It is an arithmetic number, because the mean of its divisors is an integer number (577147668).

Almost surely, 2^2020016831 is an apocalyptic number.

2020016831 is a deficient number, since it is larger than the sum of its proper divisors (288573841).

2020016831 is an equidigital number, since it uses as much as digits as its factorization.

2020016831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288573840.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 2020016831 is about 44944.5973505159. The cubic root of 2020016831 is about 1264.1103757747.

The spelling of 2020016831 in words is "two billion, twenty million, sixteen thousand, eight hundred thirty-one".