20133222201220 has 48 divisors (see below), whose sum is σ = 42409031999040. Its totient is φ = 8028675033984.

The previous prime is 20133222201187. The next prime is 20133222201247. The reversal of 20133222201220 is 2210222233102.

It is a junction number, because it is equal to n+sod(n) for n = 20133222201191 and 20133222201200.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39855262 + ... + 40357258.

It is an arithmetic number, because the mean of its divisors is an integer number (883521499980).

Almost surely, 2^{20133222201220} is an apocalyptic number.

20133222201220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20133222201220 is an abundant number, since it is smaller than the sum of its proper divisors (22275809797820).

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

20133222201220 is a wasteful number, since it uses less digits than its factorization.

20133222201220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508132 (or 508130 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 20133222201220 its reverse (2210222233102), we get a palindrome (22343444434322).

The spelling of 20133222201220 in words is "twenty trillion, one hundred thirty-three billion, two hundred twenty-two million, two hundred one thousand, two hundred twenty".