302272020 has 96 divisors (see below), whose sum is σ = 947802240. Its totient is φ = 79971840.

The previous prime is 302271997. The next prime is 302272031. The reversal of 302272020 is 20272203.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 302271984 and 302272002.

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, 68604 + ... + 72876.

It is an arithmetic number, because the mean of its divisors is an integer number (9872940).

Almost surely, 2^302272020 is an apocalyptic number.

302272020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 302272020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (473901120).

302272020 is an abundant number, since it is smaller than the sum of its proper divisors (645530220).

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

302272020 is a wasteful number, since it uses less digits than its factorization.

302272020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4422 (or 4414 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

The square root of 302272020 is about 17385.9719314164. The cubic root of 302272020 is about 671.1186628595.

The spelling of 302272020 in words is "three hundred two million, two hundred seventy-two thousand, twenty".