1000020022 has 16 divisors (see below), whose sum is σ = 1520612352. Its totient is φ = 493169320.

The previous prime is 1000020011. The next prime is 1000020023. The reversal of 1000020022 is 2200200001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1000019987 and 1000020014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000020023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102747 + ... + 112057.

It is an arithmetic number, because the mean of its divisors is an integer number (95038272).

Almost surely, 2^1000020022 is an apocalyptic number.

1000020022 is a deficient number, since it is larger than the sum of its proper divisors (520592330).

1000020022 is an equidigital number, since it uses as much as digits as its factorization.

1000020022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10043.

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

The square root of 1000020022 is about 31623.0931757157. The cubic root of 1000020022 is about 1000.0066739555.

Adding to 1000020022 its reverse (2200200001), we get a palindrome (3200220023).

The spelling of 1000020022 in words is "one billion, twenty thousand, twenty-two".