302013434020 has 24 divisors (see below), whose sum is σ = 640507702968. Its totient is φ = 119609280000.

The previous prime is 302013433973. The next prime is 302013434053. The reversal of 302013434020 is 20434310203.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 16276146084 + 285737287936 = 127578^2 + 534544^2 .

It is a super-2 number, since 2×302013434020² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 302013433982 and 302013434000.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74753781 + ... + 74757820.

It is an arithmetic number, because the mean of its divisors is an integer number (26687820957).

Almost surely, 2^302013434020 is an apocalyptic number.

It is an amenable number.

302013434020 is an abundant number, since it is smaller than the sum of its proper divisors (338494268948).

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

302013434020 is a wasteful number, since it uses less digits than its factorization.

302013434020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149511711 (or 149511709 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 302013434020 its reverse (20434310203), we get a palindrome (322447744223).

The spelling of 302013434020 in words is "three hundred two billion, thirteen million, four hundred thirty-four thousand, twenty".