100022102020 has 48 divisors (see below), whose sum is σ = 229576370688. Its totient is φ = 36440686080.

The previous prime is 100022101997. The next prime is 100022102023. The reversal of 100022102020 is 20201220001.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 100022101988 and 100022102006.

It is not an unprimeable number, because it can be changed into a prime (100022102023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4734342 + ... + 4755421.

It is an arithmetic number, because the mean of its divisors is an integer number (4782841056).

Almost surely, 2^100022102020 is an apocalyptic number.

100022102020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100022102020 is an abundant number, since it is smaller than the sum of its proper divisors (129554268668).

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

100022102020 is a wasteful number, since it uses less digits than its factorization.

100022102020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9489820 (or 9489818 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 100022102020 its reverse (20201220001), we get a palindrome (120223322021).

The spelling of 100022102020 in words is "one hundred billion, twenty-two million, one hundred two thousand, twenty".