302021002020 has 48 divisors (see below), whose sum is σ = 846156830400. Its totient is φ = 80491502976.

The previous prime is 302021002007. The next prime is 302021002043. The reversal of 302021002020 is 20200120203.

It is a super-2 number, since 2×302021002020² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 302021001987 and 302021002005.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1379427 + ... + 1583306.

It is an arithmetic number, because the mean of its divisors is an integer number (17628267300).

Almost surely, 2^302021002020 is an apocalyptic number.

302021002020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

302021002020 is an abundant number, since it is smaller than the sum of its proper divisors (544135828380).

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

302021002020 is a wasteful number, since it uses less digits than its factorization.

302021002020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2964444 (or 2964442 counting only the distinct ones).

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

Adding to 302021002020 its reverse (20200120203), we get a palindrome (322221122223).

The spelling of 302021002020 in words is "three hundred two billion, twenty-one million, two thousand, twenty".