302111042420 has 96 divisors (see below), whose sum is σ = 728724971520. Its totient is φ = 104049498240.

The previous prime is 302111042417. The next prime is 302111042423. The reversal of 302111042420 is 24240111203.

It is an interprime number because it is at equal distance from previous prime (302111042417) and next prime (302111042423).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 302111042392 and 302111042401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302111042423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22594577 + ... + 22607943.

It is an arithmetic number, because the mean of its divisors is an integer number (7590885120).

Almost surely, 2^302111042420 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 302111042420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (364362485760).

302111042420 is an abundant number, since it is smaller than the sum of its proper divisors (426613929100).

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

302111042420 is a wasteful number, since it uses less digits than its factorization.

302111042420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18813 (or 18811 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 302111042420 its reverse (24240111203), we get a palindrome (326351153623).

The spelling of 302111042420 in words is "three hundred two billion, one hundred eleven million, forty-two thousand, four hundred twenty".