1000020220000 has 120 divisors (see below), whose sum is σ = 2567166131376. Its totient is φ = 382616256000.

The previous prime is 1000020219973. The next prime is 1000020220007. The reversal of 1000020220000 is 220200001.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000020220007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 626979 + ... + 1546978.

Almost surely, 2^{1000020220000} is an apocalyptic number.

1000020220000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1000020220000 is an abundant number, since it is smaller than the sum of its proper divisors (1567145911376).

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

1000020220000 is an equidigital number, since it uses as much as digits as its factorization.

1000020220000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2174010 (or 2173987 counting only the distinct ones).

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

Adding to 1000020220000 its reverse (220200001), we get a palindrome (1000240420001).

The spelling of 1000020220000 in words is "one trillion, twenty million, two hundred twenty thousand".