20102200220102 has 64 divisors (see below), whose sum is σ = 41089812309504. Its totient is φ = 7121658551040.

The previous prime is 20102200220101. The next prime is 20102200220107.

20102200220102 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20102200220101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 74799143 + ... + 75067410.

It is an arithmetic number, because the mean of its divisors is an integer number (642028317336).

Almost surely, 2^{20102200220102} is an apocalyptic number.

20102200220102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20102200220102 is an abundant number, since it is smaller than the sum of its proper divisors (20987612089402).

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

20102200220102 is a wasteful number, since it uses less digits than its factorization.

20102200220102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149866653.

The product of its (nonzero) digits is 64, while the sum is 14.

It can be divided in two parts, 20102200 and 220102, that added together give a palindrome (20322302).

The spelling of 20102200220102 in words is "twenty trillion, one hundred two billion, two hundred million, two hundred twenty thousand, one hundred two".