120020220221 has 16 divisors (see below), whose sum is σ = 133451789760. Its totient is φ = 107010309120.

The previous prime is 120020220209. The next prime is 120020220223. The reversal of 120020220221 is 122022020021.

It is a de Polignac number, because none of the positive numbers 2^k-120020220221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120020220196 and 120020220205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120020220223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1567610 + ... + 1642388.

It is an arithmetic number, because the mean of its divisors is an integer number (8340736860).

Almost surely, 2^120020220221 is an apocalyptic number.

120020220221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120020220221 is a deficient number, since it is larger than the sum of its proper divisors (13431569539).

120020220221 is a wasteful number, since it uses less digits than its factorization.

120020220221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77596.

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

Adding to 120020220221 its reverse (122022020021), we get a palindrome (242042240242).

The spelling of 120020220221 in words is "one hundred twenty billion, twenty million, two hundred twenty thousand, two hundred twenty-one".