20101000210 has 8 divisors (see below), whose sum is σ = 36181800396. Its totient is φ = 8040400080.

The previous prime is 20101000207. The next prime is 20101000223. The reversal of 20101000210 is 1200010102.

It can be written as a sum of positive squares in 2 ways, for example, as 19998767889 + 102232321 = 141417^2 + 10111^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 20101000193 and 20101000202.

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, 1005050001 + ... + 1005050020.

Almost surely, 2^20101000210 is an apocalyptic number.

20101000210 is a deficient number, since it is larger than the sum of its proper divisors (16080800186).

20101000210 is a wasteful number, since it uses less digits than its factorization.

20101000210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2010100028.

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 20101000210 its reverse (1200010102), we get a palindrome (21301010312).

The spelling of 20101000210 in words is "twenty billion, one hundred one million, two hundred ten", and thus it is an aban number.