20100220111202 has 128 divisors (see below), whose sum is σ = 38678421196800. Its totient is φ = 7765753632000.

The previous prime is 20100220111171. The next prime is 20100220111229. The reversal of 20100220111202 is 20211102200102.

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

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, 1493656058 + ... + 1493669514.

It is an arithmetic number, because the mean of its divisors is an integer number (302175165600).

Almost surely, 2^{20100220111202} is an apocalyptic number.

20100220111202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20100220111202 is a deficient number, since it is larger than the sum of its proper divisors (18578201085598).

20100220111202 is a wasteful number, since it uses less digits than its factorization.

20100220111202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15133 (or 15119 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20100220111202 its reverse (20211102200102), we get a palindrome (40311322311304).

The spelling of 20100220111202 in words is "twenty trillion, one hundred billion, two hundred twenty million, one hundred eleven thousand, two hundred two".