2020073531 has 4 divisors (see below), whose sum is σ = 2308655472. Its totient is φ = 1731491592.

The previous prime is 2020073453. The next prime is 2020073543. The reversal of 2020073531 is 1353700202.

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 2020073531 - 2¹⁰ = 2020072507 is a prime.

It is a super-2 number, since 2×2020073531² = 8161394141293615922, 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 = 2020073497 and 2020073506.

It is not an unprimeable number, because it can be changed into a prime (2020073551) 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, 144290960 + ... + 144290973.

It is an arithmetic number, because the mean of its divisors is an integer number (577163868).

Almost surely, 2^2020073531 is an apocalyptic number.

2020073531 is a deficient number, since it is larger than the sum of its proper divisors (288581941).

2020073531 is an equidigital number, since it uses as much as digits as its factorization.

2020073531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288581940.

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 2020073531 is about 44945.2281226828. The cubic root of 2020073531 is about 1264.1222031329.

Adding to 2020073531 its reverse (1353700202), we get a palindrome (3373773733).

The spelling of 2020073531 in words is "two billion, twenty million, seventy-three thousand, five hundred thirty-one".