20221201120 has 24 divisors (see below), whose sum is σ = 47772588024. Its totient is φ = 8088480384.

The previous prime is 20221201081. The next prime is 20221201129. The reversal of 20221201120 is 2110212202.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 20221201120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20221201129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63191094 + ... + 63191413.

It is an arithmetic number, because the mean of its divisors is an integer number (1990524501).

Almost surely, 2^20221201120 is an apocalyptic number.

20221201120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20221201120 is an abundant number, since it is smaller than the sum of its proper divisors (27551386904).

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

20221201120 is a wasteful number, since it uses less digits than its factorization.

20221201120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126382522 (or 126382514 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20221201120 its reverse (2110212202), we get a palindrome (22331413322).

The spelling of 20221201120 in words is "twenty billion, two hundred twenty-one million, two hundred one thousand, one hundred twenty".