2021300312020 has 48 divisors (see below), whose sum is σ = 4631582592000. Its totient is φ = 734864750720.

The previous prime is 2021300311973. The next prime is 2021300312023. The reversal of 2021300312020 is 202130031202.

It is a junction number, because it is equal to n+sod(n) for n = 2021300311985 and 2021300312003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021300312023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98526 + ... + 2013034.

It is an arithmetic number, because the mean of its divisors is an integer number (96491304000).

Almost surely, 2^{2021300312020} is an apocalyptic number.

2021300312020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2021300312020 is an abundant number, since it is smaller than the sum of its proper divisors (2610282279980).

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

2021300312020 is a wasteful number, since it uses less digits than its factorization.

2021300312020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1919328 (or 1919326 counting only the distinct ones).

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

Adding to 2021300312020 its reverse (202130031202), we get a palindrome (2223430343222).

The spelling of 2021300312020 in words is "two trillion, twenty-one billion, three hundred million, three hundred twelve thousand, twenty".