220201212210120 has 48 divisors (see below), whose sum is σ = 715653939684060. Its totient is φ = 58720323255936.

The previous prime is 220201212210107. The next prime is 220201212210121. The reversal of 220201212210120 is 21012212102022.

It is a happy number.

220201212210120 is a `hidden beast` number, since 2 + 20 + 201 + 212 + 210 + 1 + 20 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 214479481233924 + 5721730976196 = 14645118^2 + 2392014^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 220201212210093 and 220201212210102.

It is not an unprimeable number, because it can be changed into a prime (220201212210121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 305835016599 + ... + 305835017318.

Almost surely, 2^{220201212210120} is an apocalyptic number.

220201212210120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220201212210120 is an abundant number, since it is smaller than the sum of its proper divisors (495452727473940).

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

220201212210120 is a wasteful number, since it uses less digits than its factorization.

220201212210120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611670033934 (or 611670033927 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 220201212210120 its reverse (21012212102022), we get a palindrome (241213424312142).

The spelling of 220201212210120 in words is "two hundred twenty trillion, two hundred one billion, two hundred twelve million, two hundred ten thousand, one hundred twenty".