102020103234 has 64 divisors (see below), whose sum is σ = 261076654080. Its totient is φ = 28926078480.

The previous prime is 102020103233. The next prime is 102020103247. The reversal of 102020103234 is 432301020201.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (102020103233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 980614 + ... + 1079649.

It is an arithmetic number, because the mean of its divisors is an integer number (4079322720).

Almost surely, 2^102020103234 is an apocalyptic number.

102020103234 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

102020103234 is an abundant number, since it is smaller than the sum of its proper divisors (159056550846).

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

102020103234 is a wasteful number, since it uses less digits than its factorization.

102020103234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2060412 (or 2060406 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 102020103234 its reverse (432301020201), we get a palindrome (534321123435).

The spelling of 102020103234 in words is "one hundred two billion, twenty million, one hundred three thousand, two hundred thirty-four".