20103101210 has 16 divisors (see below), whose sum is σ = 36248305896. Its totient is φ = 8027301888.

The previous prime is 20103101209. The next prime is 20103101243. The reversal of 20103101210 is 1210130102.

It can be written as a sum of positive squares in 4 ways, for example, as 18244715329 + 1858385881 = 135073^2 + 43109^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20103101191 and 20103101200.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1736267 + ... + 1747806.

Almost surely, 2^20103101210 is an apocalyptic number.

20103101210 is a deficient number, since it is larger than the sum of its proper divisors (16145204686).

20103101210 is a wasteful number, since it uses less digits than its factorization.

20103101210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3484657.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 20103101210 its reverse (1210130102), we get a palindrome (21313231312).

The spelling of 20103101210 in words is "twenty billion, one hundred three million, one hundred one thousand, two hundred ten".