1020200201000 has 32 divisors (see below), whose sum is σ = 2387268472680. Its totient is φ = 408080080000.

The previous prime is 1020200200997. The next prime is 1020200201003. The reversal of 1020200201000 is 1020020201.

1020200201000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1020200200997) and next prime (1020200201003).

It can be written as a sum of positive squares in 4 ways, for example, as 205004295076 + 815195905924 = 452774^2 + 902882^2 .

It is a Harshad number since it is a multiple of its sum of digits (8).

It is not an unprimeable number, because it can be changed into a prime (1020200201003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 510099101 + ... + 510101100.

Almost surely, 2^{1020200201000} is an apocalyptic number.

1020200201000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1020200201000 is an abundant number, since it is smaller than the sum of its proper divisors (1367068271680).

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

1020200201000 is a wasteful number, since it uses less digits than its factorization.

1020200201000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020200222 (or 1020200208 counting only the distinct ones).

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

Adding to 1020200201000 its reverse (1020020201), we get a palindrome (1021220221201).

The spelling of 1020200201000 in words is "one trillion, twenty billion, two hundred million, two hundred one thousand".