3020010002021 has 4 divisors (see below), whose sum is σ = 3020718762444. Its totient is φ = 3019301241600.

The previous prime is 3020010001993. The next prime is 3020010002033. The reversal of 3020010002021 is 1202000100203.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2375032360996 + 644977641025 = 1541114^2 + 803105^2 .

It is a cyclic number.

It is not a de Polignac number, because 3020010002021 - 2¹⁴ = 3020009985637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3020010001993 and 3020010002011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3020010002041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 354373820 + ... + 354382341.

It is an arithmetic number, because the mean of its divisors is an integer number (755179690611).

Almost surely, 2^{3020010002021} is an apocalyptic number.

It is an amenable number.

3020010002021 is a deficient number, since it is larger than the sum of its proper divisors (708760423).

3020010002021 is an equidigital number, since it uses as much as digits as its factorization.

3020010002021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708760422.

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 3020010002021 its reverse (1202000100203), we get a palindrome (4222010102224).

The spelling of 3020010002021 in words is "three trillion, twenty billion, ten million, two thousand, twenty-one".