10003621320 has 384 divisors, whose sum is σ = 40671072000. Its totient is φ = 2071664640.

The previous prime is 10003621319. The next prime is 10003621339. The reversal of 10003621320 is 2312630001.

10003621320 is a `hidden beast` number, since 10 + 0 + 0 + 3 + 621 + 32 + 0 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 10003621293 and 10003621302.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 14109126 + ... + 14109834.

It is an arithmetic number, because the mean of its divisors is an integer number (105914250).

Almost surely, 2^10003621320 is an apocalyptic number.

10003621320 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 10003621320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20335536000).

10003621320 is an abundant number, since it is smaller than the sum of its proper divisors (30667450680).

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

10003621320 is a wasteful number, since it uses less digits than its factorization.

10003621320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1253 (or 1246 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The spelling of 10003621320 in words is "ten billion, three million, six hundred twenty-one thousand, three hundred twenty".