20200302021 has 8 divisors (see below), whose sum is σ = 26943807904. Its totient is φ = 13461832080.

The previous prime is 20200302019. The next prime is 20200302043. The reversal of 20200302021 is 12020300202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20200302021 - 2¹ = 20200302019 is a prime.

It is a super-3 number, since 3×20200302021³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20200301988 and 20200302006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20200302721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1249615 + ... + 1265676.

It is an arithmetic number, because the mean of its divisors is an integer number (3367975988).

Almost surely, 2^20200302021 is an apocalyptic number.

It is an amenable number.

20200302021 is a deficient number, since it is larger than the sum of its proper divisors (6743505883).

20200302021 is a wasteful number, since it uses less digits than its factorization.

20200302021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2517971.

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 20200302021 its reverse (12020300202), we get a palindrome (32220602223).

The spelling of 20200302021 in words is "twenty billion, two hundred million, three hundred two thousand, twenty-one".