220120100002 has 16 divisors (see below), whose sum is σ = 366992690112. Its totient is φ = 98166767920.

The previous prime is 220120099973. The next prime is 220120100003. The reversal of 220120100002 is 200001021022.

It is not an unprimeable number, because it can be changed into a prime (220120100003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94389958 + ... + 94392289.

It is an arithmetic number, because the mean of its divisors is an integer number (22937043132).

Almost surely, 2^220120100002 is an apocalyptic number.

220120100002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

220120100002 is a deficient number, since it is larger than the sum of its proper divisors (146872590110).

220120100002 is a wasteful number, since it uses less digits than its factorization.

220120100002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188782313.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 220120100002 its reverse (200001021022), we get a palindrome (420121121024).

The spelling of 220120100002 in words is "two hundred twenty billion, one hundred twenty million, one hundred thousand, two".