20202213120 has 144 divisors (see below), whose sum is σ = 66265090080. Its totient is φ = 5241618432.

The previous prime is 20202213113. The next prime is 20202213121. The reversal of 20202213120 is 2131220202.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 20202213120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20202213121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70986 + ... + 213174.

Almost surely, 2^20202213120 is an apocalyptic number.

20202213120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20202213120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33132545040).

20202213120 is an abundant number, since it is smaller than the sum of its proper divisors (46062876960).

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

20202213120 is a wasteful number, since it uses less digits than its factorization.

20202213120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142250 (or 142236 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 20202213120 its reverse (2131220202), we get a palindrome (22333433322).

The spelling of 20202213120 in words is "twenty billion, two hundred two million, two hundred thirteen thousand, one hundred twenty".