2020002301021 has 2 divisors, whose sum is σ = 2020002301022.
Its totient is φ = 2020002301020.
The previous prime is 2020002300889. The next prime is 2020002301033. The reversal of 2020002301021 is 1201032000202.
Adding to 2020002301021 its reverse (1201032000202), we get a palindrome (3221034301223).
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1974977704921 + 45024596100 = 1405339^2 + 212190^2
It is a cyclic number.
It is not a de Polignac number, because 2020002301021 - 215 = 2020002268253 is a prime.
It is a super-2 number, since 2×20200023010212 (a number of 25 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 2020002300992 and 2020002301010.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2020002305021) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010001150510 + 1010001150511.
It is an arithmetic number, because the mean of its divisors is an integer number (1010001150511).
Almost surely, 22020002301021 is an apocalyptic number.
It is an amenable number.
2020002301021 is a deficient number, since it is larger than the sum of its proper divisors (1).
2020002301021 is an equidigital number, since it uses as much as digits as its factorization.
2020002301021 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 48, while the sum is 13.
The spelling of 2020002301021 in words is "two trillion, twenty billion, two million, three hundred one thousand, twenty-one".