200102102010 has 48 divisors (see below), whose sum is σ = 521179949160. Its totient is φ = 53266767360.

The previous prime is 200102101981. The next prime is 200102102029. The reversal of 200102102010 is 10201201002.

It can be written as a sum of positive squares in 4 ways, for example, as 61510448169 + 138591653841 = 248013^2 + 372279^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 200102101983 and 200102102001.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1902531 + ... + 2004950.

Almost surely, 2^200102102010 is an apocalyptic number.

200102102010 is an abundant number, since it is smaller than the sum of its proper divisors (321077847150).

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

200102102010 is a wasteful number, since it uses less digits than its factorization.

200102102010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3908063 (or 3908060 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 200102102010 its reverse (10201201002), we get a palindrome (210303303012).

The spelling of 200102102010 in words is "two hundred billion, one hundred two million, one hundred two thousand, ten".