201302312020 has 12 divisors (see below), whose sum is σ = 422734855284. Its totient is φ = 80520924800.

The previous prime is 201302311979. The next prime is 201302312021. The reversal of 201302312020 is 20213203102.

201302312020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 114675695044 + 86626616976 = 338638^2 + 294324^2 .

It is a junction number, because it is equal to n+sod(n) for n = 201302311985 and 201302312003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201302312021) 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 in 3 ways as a sum of consecutive naturals, for example, 5032557781 + ... + 5032557820.

It is an arithmetic number, because the mean of its divisors is an integer number (35227904607).

Almost surely, 2^201302312020 is an apocalyptic number.

201302312020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201302312020 is an abundant number, since it is smaller than the sum of its proper divisors (221432543264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201302312020 is a wasteful number, since it uses less digits than its factorization.

201302312020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10065115610 (or 10065115608 counting only the distinct ones).

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

Adding to 201302312020 its reverse (20213203102), we get a palindrome (221515515122).

The spelling of 201302312020 in words is "two hundred one billion, three hundred two million, three hundred twelve thousand, twenty".