102003001320 has 64 divisors (see below), whose sum is σ = 333828008640. Its totient is φ = 24728000000.

The previous prime is 102003001319. The next prime is 102003001351. The reversal of 102003001320 is 23100300201.

It is a happy number.

102003001320 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×102003001320² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 102003001296 and 102003001305.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38636181 + ... + 38638820.

It is an arithmetic number, because the mean of its divisors is an integer number (5216062635).

Almost surely, 2^102003001320 is an apocalyptic number.

102003001320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102003001320 is an abundant number, since it is smaller than the sum of its proper divisors (231825007320).

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

102003001320 is a wasteful number, since it uses less digits than its factorization.

102003001320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77275026 (or 77275022 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 102003001320 its reverse (23100300201), we get a palindrome (125103301521).

The spelling of 102003001320 in words is "one hundred two billion, three million, one thousand, three hundred twenty".