302130203420 has 12 divisors (see below), whose sum is σ = 634473427224. Its totient is φ = 120852081360.

The previous prime is 302130203371. The next prime is 302130203437. The reversal of 302130203420 is 24302031203.

It is a super-2 number, since 2×302130203420² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 15106510171 = 302130203420 / (3 + 0 + 2 + 1 + 3 + 0 + 2 + 0 + 3 + 4 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 302130203392 and 302130203401.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7553255066 + ... + 7553255105.

It is an arithmetic number, because the mean of its divisors is an integer number (52872785602).

Almost surely, 2^302130203420 is an apocalyptic number.

It is an amenable number.

302130203420 is an abundant number, since it is smaller than the sum of its proper divisors (332343223804).

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

302130203420 is a wasteful number, since it uses less digits than its factorization.

302130203420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15106510180 (or 15106510178 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 302130203420 its reverse (24302031203), we get a palindrome (326432234623).

The spelling of 302130203420 in words is "three hundred two billion, one hundred thirty million, two hundred three thousand, four hundred twenty".