302020201220 has 24 divisors (see below), whose sum is σ = 634539303384. Its totient is φ = 120751531776.

The previous prime is 302020201207. The next prime is 302020201229. The reversal of 302020201220 is 22102020203.

It can be written as a sum of positive squares in 4 ways, for example, as 2916216004 + 299103985216 = 54002^2 + 546904^2 .

It is a junction number, because it is equal to n+sod(n) for n = 302020201195 and 302020201204.

It is not an unprimeable number, because it can be changed into a prime (302020201229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3490487 + ... + 3575966.

It is an arithmetic number, because the mean of its divisors is an integer number (26439137641).

Almost surely, 2^302020201220 is an apocalyptic number.

It is an amenable number.

302020201220 is an abundant number, since it is smaller than the sum of its proper divisors (332519102164).

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

302020201220 is a wasteful number, since it uses less digits than its factorization.

302020201220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7068599 (or 7068597 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 302020201220 its reverse (22102020203), we get a palindrome (324122221423).

The spelling of 302020201220 in words is "three hundred two billion, twenty million, two hundred one thousand, two hundred twenty".