220201122021220 has 24 divisors (see below), whose sum is σ = 468935347180608. Its totient is φ = 86839879106400.

The previous prime is 220201122021203. The next prime is 220201122021229. The reversal of 220201122021220 is 22120221102022.

It is not an unprimeable number, because it can be changed into a prime (220201122021229) 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, 77535604926 + ... + 77535607765.

It is an arithmetic number, because the mean of its divisors is an integer number (19538972799192).

Almost surely, 2^{220201122021220} is an apocalyptic number.

220201122021220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220201122021220 is an abundant number, since it is smaller than the sum of its proper divisors (248734225159388).

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

220201122021220 is a wasteful number, since it uses less digits than its factorization.

220201122021220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155071212771 (or 155071212769 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 220201122021220 its reverse (22120221102022), we get a palindrome (242321343123242).

The spelling of 220201122021220 in words is "two hundred twenty trillion, two hundred one billion, one hundred twenty-two million, twenty-one thousand, two hundred twenty".