20133003220 has 48 divisors (see below), whose sum is σ = 46159642368. Its totient is φ = 7315256960.

The previous prime is 20133003217. The next prime is 20133003259. The reversal of 20133003220 is 2230033102.

It is a junction number, because it is equal to n+sod(n) for n = 20133003194 and 20133003203.

It is a congruent number.

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, 245109 + ... + 316771.

It is an arithmetic number, because the mean of its divisors is an integer number (961659216).

Almost surely, 2^20133003220 is an apocalyptic number.

20133003220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20133003220 is an abundant number, since it is smaller than the sum of its proper divisors (26026639148).

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

20133003220 is a wasteful number, since it uses less digits than its factorization.

20133003220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72960 (or 72958 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 20133003220 its reverse (2230033102), we get a palindrome (22363036322).

The spelling of 20133003220 in words is "twenty billion, one hundred thirty-three million, three thousand, two hundred twenty".