20010103320 has 64 divisors (see below), whose sum is σ = 61426379520. Its totient is φ = 5211932544.

The previous prime is 20010103319. The next prime is 20010103361. The reversal of 20010103320 is 2330101002.

It is a happy number.

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 = 20010103296 and 20010103305.

It is a congruent number.

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, 1933804 + ... + 1944123.

It is an arithmetic number, because the mean of its divisors is an integer number (959787180).

Almost surely, 2^20010103320 is an apocalyptic number.

20010103320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20010103320 is an abundant number, since it is smaller than the sum of its proper divisors (41416276200).

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

20010103320 is a wasteful number, since it uses less digits than its factorization.

20010103320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3877984 (or 3877980 counting only the distinct ones).

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

Adding to 20010103320 its reverse (2330101002), we get a palindrome (22340204322).

The spelling of 20010103320 in words is "twenty billion, ten million, one hundred three thousand, three hundred twenty".