1002010200 has 48 divisors (see below), whose sum is σ = 3106233480. Its totient is φ = 267202560.

The previous prime is 1002010199. The next prime is 1002010231. The reversal of 1002010200 is 20102001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 834409 + ... + 835608.

Almost surely, 2^1002010200 is an apocalyptic number.

1002010200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1002010200 is an abundant number, since it is smaller than the sum of its proper divisors (2104223280).

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

1002010200 is a wasteful number, since it uses less digits than its factorization.

1002010200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1670036 (or 1670027 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 6.

The square root of 1002010200 is about 31654.5446974048. The cubic root of 1002010200 is about 1000.6696181781.

Adding to 1002010200 its reverse (20102001), we get a palindrome (1022112201).

The spelling of 1002010200 in words is "one billion, two million, ten thousand, two hundred".