102045215320 has 32 divisors (see below), whose sum is σ = 230870268720. Its totient is φ = 40592568960.

The previous prime is 102045215273. The next prime is 102045215329. The reversal of 102045215320 is 23512540201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102045215329) 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 7 ways as a sum of consecutive naturals, for example, 7040082 + ... + 7054561.

Almost surely, 2^102045215320 is an apocalyptic number.

102045215320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102045215320 is an abundant number, since it is smaller than the sum of its proper divisors (128825053400).

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

102045215320 is a wasteful number, since it uses less digits than its factorization.

102045215320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14094835 (or 14094831 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 102045215320 its reverse (23512540201), we get a palindrome (125557755521).

The spelling of 102045215320 in words is "one hundred two billion, forty-five million, two hundred fifteen thousand, three hundred twenty".