20132333220 has 24 divisors (see below), whose sum is σ = 56370533184. Its totient is φ = 5368622176.

The previous prime is 20132333213. The next prime is 20132333237. The reversal of 20132333220 is 2233323102.

It is a super-2 number, since 2×20132333220² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167769384 + ... + 167769503.

It is an arithmetic number, because the mean of its divisors is an integer number (2348772216).

Almost surely, 2^20132333220 is an apocalyptic number.

20132333220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20132333220 is an abundant number, since it is smaller than the sum of its proper divisors (36238199964).

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

20132333220 is a wasteful number, since it uses less digits than its factorization.

20132333220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335538899 (or 335538897 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 20132333220 its reverse (2233323102), we get a palindrome (22365656322).

The spelling of 20132333220 in words is "twenty billion, one hundred thirty-two million, three hundred thirty-three thousand, two hundred twenty".