1020200220102 has 64 divisors (see below), whose sum is σ = 2394261112320. Its totient is φ = 283735194624.

The previous prime is 1020200220071. The next prime is 1020200220103. The reversal of 1020200220102 is 2010220020201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020200220103) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 434827 + ... + 1493142.

It is an arithmetic number, because the mean of its divisors is an integer number (37410329880).

Almost surely, 2^{1020200220102} is an apocalyptic number.

1020200220102 is an abundant number, since it is smaller than the sum of its proper divisors (1374060892218).

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

1020200220102 is a wasteful number, since it uses less digits than its factorization.

1020200220102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1928317.

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

Adding to 1020200220102 its reverse (2010220020201), we get a palindrome (3030420240303).

The spelling of 1020200220102 in words is "one trillion, twenty billion, two hundred million, two hundred twenty thousand, one hundred two".