220120303021021 has 8 divisors (see below), whose sum is σ = 237100016190240. Its totient is φ = 203147358732912.

The previous prime is 220120303020997. The next prime is 220120303021037. The reversal of 220120303021021 is 120120303021022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 220120303021021 - 2¹⁹ = 220120302496733 is a prime.

It is a super-2 number, since 2×220120303021021² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 220120303021021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220120303021061) 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, 1692152731 + ... + 1692282808.

It is an arithmetic number, because the mean of its divisors is an integer number (29637502023780).

Almost surely, 2^{220120303021021} is an apocalyptic number.

It is an amenable number.

220120303021021 is a deficient number, since it is larger than the sum of its proper divisors (16979713169219).

220120303021021 is a wasteful number, since it uses less digits than its factorization.

220120303021021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3384440555.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 220120303021021 its reverse (120120303021022), we get a palindrome (340240606042043).

Subtracting from 220120303021021 its reverse (120120303021022), we obtain a palindrome (99999999999999).

The spelling of 220120303021021 in words is "two hundred twenty trillion, one hundred twenty billion, three hundred three million, twenty-one thousand, twenty-one".