1012000200020 has 12 divisors (see below), whose sum is σ = 2125200420084. Its totient is φ = 404800080000.

The previous prime is 1012000200019. The next prime is 1012000200023. The reversal of 1012000200020 is 200020002101.

It can be written as a sum of positive squares in 2 ways, for example, as 281173546564 + 730826653456 = 530258^2 + 854884^2 .

1012000200020 is a modest number, since divided by 200020 gives 10120 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 1012000199980 and 1012000200007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012000200023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25300004981 + ... + 25300005020.

It is an arithmetic number, because the mean of its divisors is an integer number (177100035007).

Almost surely, 2^{1012000200020} is an apocalyptic number.

1012000200020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012000200020 is an abundant number, since it is smaller than the sum of its proper divisors (1113200220064).

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

1012000200020 is a wasteful number, since it uses less digits than its factorization.

1012000200020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50600010010 (or 50600010008 counting only the distinct ones).

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

Adding to 1012000200020 its reverse (200020002101), we get a palindrome (1212020202121).

The spelling of 1012000200020 in words is "one trillion, twelve billion, two hundred thousand, twenty".