1020010220200 has 24 divisors (see below), whose sum is σ = 2371523762430. Its totient is φ = 408004088000.

The previous prime is 1020010220153. The next prime is 1020010220233. The reversal of 1020010220200 is 20220100201.

It can be written as a sum of positive squares in 3 ways, for example, as 866168985124 + 153841235076 = 930682^2 + 392226^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2550025351 + ... + 2550025750.

Almost surely, 2^{1020010220200} is an apocalyptic number.

1020010220200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1020010220200 is an abundant number, since it is smaller than the sum of its proper divisors (1351513542230).

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

1020010220200 is a wasteful number, since it uses less digits than its factorization.

1020010220200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5100051117 (or 5100051108 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 1020010220200 its reverse (20220100201), we get a palindrome (1040230320401).

The spelling of 1020010220200 in words is "one trillion, twenty billion, ten million, two hundred twenty thousand, two hundred".