100020022 has 4 divisors (see below), whose sum is σ = 150030036. Its totient is φ = 50010010.

The previous prime is 100019977. The next prime is 100020023. The reversal of 100020022 is 220020001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 100019987 and 100020014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100020023) 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 as a sum of consecutive naturals, namely, 25005004 + ... + 25005007.

It is an arithmetic number, because the mean of its divisors is an integer number (37507509).

Almost surely, 2^100020022 is an apocalyptic number.

100020022 is a deficient number, since it is larger than the sum of its proper divisors (50010014).

100020022 is an equidigital number, since it uses as much as digits as its factorization.

100020022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50010013.

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

The square root of 100020022 is about 10001.0010498950. The cubic root of 100020022 is about 464.1898592579.

Adding to 100020022 its reverse (220020001), we get a palindrome (320040023).

The spelling of 100020022 in words is "one hundred million, twenty thousand, twenty-two".