20102102100010 has 16 divisors (see below), whose sum is σ = 41352895748736. Its totient is φ = 6892149291408.

The previous prime is 20102102099987. The next prime is 20102102100019. The reversal of 20102102100010 is 1000120120102.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a self number, because there is not a number n which added to its sum of digits gives 20102102100010.

It is not an unprimeable number, because it can be changed into a prime (20102102100019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143586443502 + ... + 143586443641.

It is an arithmetic number, because the mean of its divisors is an integer number (2584555984296).

Almost surely, 2^{20102102100010} is an apocalyptic number.

20102102100010 is an abundant number, since it is smaller than the sum of its proper divisors (21250793648726).

20102102100010 is a wasteful number, since it uses less digits than its factorization.

20102102100010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287172887157.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 20102102100010 its reverse (1000120120102), we get a palindrome (21102222220112).

The spelling of 20102102100010 in words is "twenty trillion, one hundred two billion, one hundred two million, one hundred thousand, ten".