1000211000020 has 24 divisors (see below), whose sum is σ = 2125749646944. Its totient is φ = 395264105376.

The previous prime is 1000211000011. The next prime is 1000211000059. The reversal of 1000211000020 is 200001120001.

It is a super-2 number, since 2×1000211000020² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1000210999967 and 1000211000012.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 301266714 + ... + 301270033.

It is an arithmetic number, because the mean of its divisors is an integer number (88572901956).

Almost surely, 2^{1000211000020} is an apocalyptic number.

1000211000020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1000211000020 is an abundant number, since it is smaller than the sum of its proper divisors (1125538646924).

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

1000211000020 is a wasteful number, since it uses less digits than its factorization.

1000211000020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602536839 (or 602536837 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 1000211000020 its reverse (200001120001), we get a palindrome (1200212120021).

The spelling of 1000211000020 in words is "one trillion, two hundred eleven million, twenty", and thus it is an aban number.