200201001020 has 12 divisors (see below), whose sum is σ = 420422102184. Its totient is φ = 80080400400.

The previous prime is 200201000977. The next prime is 200201001037. The reversal of 200201001020 is 20100102002.

It is a junction number, because it is equal to n+sod(n) for n = 200201000989 and 200201001007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5005025006 + ... + 5005025045.

It is an arithmetic number, because the mean of its divisors is an integer number (35035175182).

Almost surely, 2^200201001020 is an apocalyptic number.

200201001020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200201001020 is an abundant number, since it is smaller than the sum of its proper divisors (220221101164).

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

200201001020 is a wasteful number, since it uses less digits than its factorization.

200201001020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10010050060 (or 10010050058 counting only the distinct ones).

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

Adding to 200201001020 its reverse (20100102002), we get a palindrome (220301103022).

The spelling of 200201001020 in words is "two hundred billion, two hundred one million, one thousand, twenty".