1000201008 has 20 divisors (see below), whose sum is σ = 2583852728. Its totient is φ = 333400320.

The previous prime is 1000201003. The next prime is 1000201009. The reversal of 1000201008 is 8001020001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 1000200984 and 1000201002.

It is not an unprimeable number, because it can be changed into a prime (1000201003) 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, 10418713 + ... + 10418808.

Almost surely, 2^1000201008 is an apocalyptic number.

It is an amenable number.

1000201008 is an abundant number, since it is smaller than the sum of its proper divisors (1583651720).

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

1000201008 is a wasteful number, since it uses less digits than its factorization.

1000201008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20837532 (or 20837526 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 1000201008 is about 31625.9546575277. The cubic root of 1000201008 is about 1000.0669981778.

Adding to 1000201008 its reverse (8001020001), we get a palindrome (9001221009).

The spelling of 1000201008 in words is "one billion, two hundred one thousand, eight".