302112540420 has 48 divisors (see below), whose sum is σ = 873202702848. Its totient is φ = 77964526080.

The previous prime is 302112540407. The next prime is 302112540421. The reversal of 302112540420 is 24045211203.

It is a super-2 number, since 2×302112540420² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (302112540421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81211189 + ... + 81214908.

It is an arithmetic number, because the mean of its divisors is an integer number (18191722976).

Almost surely, 2^302112540420 is an apocalyptic number.

302112540420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

302112540420 is an abundant number, since it is smaller than the sum of its proper divisors (571090162428).

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

302112540420 is a wasteful number, since it uses less digits than its factorization.

302112540420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162426140 (or 162426138 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 302112540420 its reverse (24045211203), we get a palindrome (326157751623).

The spelling of 302112540420 in words is "three hundred two billion, one hundred twelve million, five hundred forty thousand, four hundred twenty".