20100202020102 has 128 divisors (see below), whose sum is σ = 42116318323200. Its totient is φ = 6389417548800.

The previous prime is 20100202020061. The next prime is 20100202020127. The reversal of 20100202020102 is 20102020200102.

It is a super-2 number, since 2×20100202020102² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2637471852 + ... + 2637479472.

It is an arithmetic number, because the mean of its divisors is an integer number (329033736900).

Almost surely, 2^{20100202020102} is an apocalyptic number.

20100202020102 is an abundant number, since it is smaller than the sum of its proper divisors (22016116303098).

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

20100202020102 is a wasteful number, since it uses less digits than its factorization.

20100202020102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8902.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20100202020102 its reverse (20102020200102), we get a palindrome (40202222220204).

It can be divided in two parts, 20100 and 202020102, that added together give a palindrome (202040202).

The spelling of 20100202020102 in words is "twenty trillion, one hundred billion, two hundred two million, twenty thousand, one hundred two".