100120222020 has 96 divisors (see below), whose sum is σ = 345029707008. Its totient is φ = 21124265472.

The previous prime is 100120222019. The next prime is 100120222031. The reversal of 100120222020 is 20222021001.

100120222020 is digitally balanced in base 3, 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 = 100120221987 and 100120222005.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9163059 + ... + 9173978.

It is an arithmetic number, because the mean of its divisors is an integer number (3594059448).

Almost surely, 2^100120222020 is an apocalyptic number.

100120222020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100120222020 is an abundant number, since it is smaller than the sum of its proper divisors (244909484988).

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

100120222020 is a wasteful number, since it uses less digits than its factorization.

100120222020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18337069 (or 18337067 counting only the distinct ones).

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

Adding to 100120222020 its reverse (20222021001), we get a palindrome (120342243021).

The spelling of 100120222020 in words is "one hundred billion, one hundred twenty million, two hundred twenty-two thousand, twenty".