102302123020 has 24 divisors (see below), whose sum is σ = 219830610384. Its totient is φ = 39969201216.

The previous prime is 102302123009. The next prime is 102302123023. The reversal of 102302123020 is 20321203201.

It is a junction number, because it is equal to n+sod(n) for n = 102302122985 and 102302123003.

It is not an unprimeable number, because it can be changed into a prime (102302123023) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 59477119 + ... + 59478838.

It is an arithmetic number, because the mean of its divisors is an integer number (9159608766).

Almost surely, 2^102302123020 is an apocalyptic number.

102302123020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102302123020 is an abundant number, since it is smaller than the sum of its proper divisors (117528487364).

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

102302123020 is a wasteful number, since it uses less digits than its factorization.

102302123020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118956009 (or 118956007 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 102302123020 its reverse (20321203201), we get a palindrome (122623326221).

The spelling of 102302123020 in words is "one hundred two billion, three hundred two million, one hundred twenty-three thousand, twenty".