302123313020 has 48 divisors (see below), whose sum is σ = 636213807936. Its totient is φ = 120515520000.

The previous prime is 302123312983. The next prime is 302123313029. The reversal of 302123313020 is 20313321203.

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 = 302123312983 and 302123313001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302123313029) 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, 11297465 + ... + 11324175.

It is an arithmetic number, because the mean of its divisors is an integer number (13254454332).

Almost surely, 2^302123313020 is an apocalyptic number.

It is an amenable number.

302123313020 is an abundant number, since it is smaller than the sum of its proper divisors (334090494916).

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

302123313020 is a wasteful number, since it uses less digits than its factorization.

302123313020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28262 (or 28260 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 302123313020 its reverse (20313321203), we get a palindrome (322436634223).

The spelling of 302123313020 in words is "three hundred two billion, one hundred twenty-three million, three hundred thirteen thousand, twenty".