20100003320 has 32 divisors (see below), whose sum is σ = 45249347520. Its totient is φ = 8035674240.

The previous prime is 20100003317. The next prime is 20100003331. The reversal of 20100003320 is 2330000102.

It is a super-2 number, since 2×20100003320² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 59447 + ... + 209126.

It is an arithmetic number, because the mean of its divisors is an integer number (1414042110).

Almost surely, 2^20100003320 is an apocalyptic number.

20100003320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20100003320 is an abundant number, since it is smaller than the sum of its proper divisors (25149344200).

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

20100003320 is a wasteful number, since it uses less digits than its factorization.

20100003320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270455 (or 270451 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 11.

Adding to 20100003320 its reverse (2330000102), we get a palindrome (22430003422).

The spelling of 20100003320 in words is "twenty billion, one hundred million, three thousand, three hundred twenty".