302201020 has 96 divisors (see below), whose sum is σ = 725630976. Its totient is φ = 104716800.

The previous prime is 302201017. The next prime is 302201077. The reversal of 302201020 is 20102203.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 302200988 and 302201006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 497557 + ... + 498163.

It is an arithmetic number, because the mean of its divisors is an integer number (7558656).

Almost surely, 2^302201020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 302201020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (362815488).

302201020 is an abundant number, since it is smaller than the sum of its proper divisors (423429956).

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

302201020 is a wasteful number, since it uses less digits than its factorization.

302201020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 731 (or 729 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 302201020 is about 17383.9299354317. The cubic root of 302201020 is about 671.0661128900.

Adding to 302201020 its reverse (20102203), we get a palindrome (322303223).

The spelling of 302201020 in words is "three hundred two million, two hundred one thousand, twenty".