20032103003220 has 1920 divisors, whose sum is σ = 84870806372352. Its totient is φ = 3832491801600.

The previous prime is 20032103003191. The next prime is 20032103003251. The reversal of 20032103003220 is 2230030123002.

It is a happy number.

20032103003220 is a `hidden beast` number, since 2 + 0 + 0 + 32 + 10 + 300 + 322 + 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 = 20032103003193 and 20032103003202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 639 ways as a sum of consecutive naturals, for example, 8759116917 + ... + 8759119203.

Almost surely, 2^{20032103003220} is an apocalyptic number.

20032103003220 is a gapful number since it is divisible by the number (20) 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 20032103003220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42435403186176).

20032103003220 is an abundant number, since it is smaller than the sum of its proper divisors (64838703369132).

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

20032103003220 is a wasteful number, since it uses less digits than its factorization.

20032103003220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2463 (or 2452 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 20032103003220 its reverse (2230030123002), we get a palindrome (22262133126222).

The spelling of 20032103003220 in words is "twenty trillion, thirty-two billion, one hundred three million, three thousand, two hundred twenty".