1001020000220 has 12 divisors (see below), whose sum is σ = 2102142000504. Its totient is φ = 400408000080.

The previous prime is 1001020000199. The next prime is 1001020000229. The reversal of 1001020000220 is 220000201001.

It is a junction number, because it is equal to n+sod(n) for n = 1001020000198 and 1001020000207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001020000229) 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 3 ways as a sum of consecutive naturals, for example, 25025499986 + ... + 25025500025.

It is an arithmetic number, because the mean of its divisors is an integer number (175178500042).

Almost surely, 2^{1001020000220} is an apocalyptic number.

1001020000220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1001020000220 is an abundant number, since it is smaller than the sum of its proper divisors (1101122000284).

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

1001020000220 is a wasteful number, since it uses less digits than its factorization.

1001020000220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50051000020 (or 50051000018 counting only the distinct ones).

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

Adding to 1001020000220 its reverse (220000201001), we get a palindrome (1221020201221).

The spelling of 1001020000220 in words is "one trillion, one billion, twenty million, two hundred twenty", and thus it is an aban number.