100001202022020 has 192 divisors, whose sum is σ = 306277798256640. Its totient is φ = 24229656202752.

The previous prime is 100001202021947. The next prime is 100001202022217. The reversal of 100001202022020 is 20220202100001.

100001202022020 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

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 = 100001202021987 and 100001202022005.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 67360501 + ... + 68829059.

It is an arithmetic number, because the mean of its divisors is an integer number (1595196865920).

Almost surely, 2^{100001202022020} is an apocalyptic number.

100001202022020 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 100001202022020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153138899128320).

100001202022020 is an abundant number, since it is smaller than the sum of its proper divisors (206276596234620).

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

100001202022020 is a wasteful number, since it uses less digits than its factorization.

100001202022020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1469954 (or 1469952 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 100001202022020 its reverse (20220202100001), we get a palindrome (120221404122021).

The spelling of 100001202022020 in words is "one hundred trillion, one billion, two hundred two million, twenty-two thousand, twenty".