100020220000 has 120 divisors (see below), whose sum is σ = 249439135176. Its totient is φ = 39459456000.

The previous prime is 100020219983. The next prime is 100020220007. The reversal of 100020220000 is 22020001.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100020220007) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 1425747 + ... + 1494253.

Almost surely, 2^100020220000 is an apocalyptic number.

100020220000 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 100020220000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124719567588).

100020220000 is an abundant number, since it is smaller than the sum of its proper divisors (149418915176).

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

100020220000 is an frugal number, since it uses more digits than its factorization.

100020220000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68610 (or 68587 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 7.

Adding to 100020220000 its reverse (22020001), we get a palindrome (100042240001).

The spelling of 100020220000 in words is "one hundred billion, twenty million, two hundred twenty thousand".