10203010320 has 80 divisors (see below), whose sum is σ = 31741307712. Its totient is φ = 2711170560.

The previous prime is 10203010297. The next prime is 10203010331. The reversal of 10203010320 is 2301030201.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

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 = 10203010296 and 10203010305.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7191 + ... + 143030.

Almost surely, 2^10203010320 is an apocalyptic number.

10203010320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10203010320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15870653856).

10203010320 is an abundant number, since it is smaller than the sum of its proper divisors (21538297392).

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

10203010320 is a wasteful number, since it uses less digits than its factorization.

10203010320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150520 (or 150514 counting only the distinct ones).

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

Adding to 10203010320 its reverse (2301030201), we get a palindrome (12504040521).

The spelling of 10203010320 in words is "ten billion, two hundred three million, ten thousand, three hundred twenty".