20132203120 has 20 divisors (see below), whose sum is σ = 46807372440. Its totient is φ = 8052881216.

The previous prime is 20132203087. The next prime is 20132203121. The reversal of 20132203120 is 2130223102.

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 20132203094 and 20132203103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20132203121) 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, 125826190 + ... + 125826349.

It is an arithmetic number, because the mean of its divisors is an integer number (2340368622).

Almost surely, 2^20132203120 is an apocalyptic number.

20132203120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20132203120 is an abundant number, since it is smaller than the sum of its proper divisors (26675169320).

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

20132203120 is a wasteful number, since it uses less digits than its factorization.

20132203120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251652552 (or 251652546 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20132203120 its reverse (2130223102), we get a palindrome (22262426222).

The spelling of 20132203120 in words is "twenty billion, one hundred thirty-two million, two hundred three thousand, one hundred twenty".