102450521320 has 32 divisors (see below), whose sum is σ = 263444198400. Its totient is φ = 35125892928.

The previous prime is 102450521311. The next prime is 102450521351. The reversal of 102450521320 is 23125054201.

It is a super-3 number, since 3×102450521320³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 182947080 + ... + 182947639.

It is an arithmetic number, because the mean of its divisors is an integer number (8232631200).

Almost surely, 2^102450521320 is an apocalyptic number.

102450521320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102450521320 is an abundant number, since it is smaller than the sum of its proper divisors (160993677080).

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

102450521320 is a wasteful number, since it uses less digits than its factorization.

102450521320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365894737 (or 365894733 counting only the distinct ones).

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

Adding to 102450521320 its reverse (23125054201), we get a palindrome (125575575521).

The spelling of 102450521320 in words is "one hundred two billion, four hundred fifty million, five hundred twenty-one thousand, three hundred twenty".