20102100212202 has 32 divisors (see below), whose sum is σ = 40230179877888. Its totient is φ = 6696371504496.

The previous prime is 20102100212189. The next prime is 20102100212203. The reversal of 20102100212202 is 20221200120102.

It is not an unprimeable number, because it can be changed into a prime (20102100212203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60913213 + ... + 61242335.

It is an arithmetic number, because the mean of its divisors is an integer number (1257193121184).

Almost surely, 2^{20102100212202} is an apocalyptic number.

20102100212202 is an abundant number, since it is smaller than the sum of its proper divisors (20128079665686).

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

20102100212202 is a wasteful number, since it uses less digits than its factorization.

20102100212202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335674.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20102100212202 its reverse (20221200120102), we get a palindrome (40323300332304).

The spelling of 20102100212202 in words is "twenty trillion, one hundred two billion, one hundred million, two hundred twelve thousand, two hundred two".