20100220332 has 48 divisors (see below), whose sum is σ = 47566696800. Its totient is φ = 6604996608.

The previous prime is 20100220297. The next prime is 20100220333. The reversal of 20100220332 is 23302200102.

It is not an unprimeable number, because it can be changed into a prime (20100220333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2267044 + ... + 2275892.

It is an arithmetic number, because the mean of its divisors is an integer number (990972850).

Almost surely, 2^20100220332 is an apocalyptic number.

It is an amenable number.

20100220332 is an abundant number, since it is smaller than the sum of its proper divisors (27466476468).

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

20100220332 is a wasteful number, since it uses less digits than its factorization.

20100220332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11522 (or 11520 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 20100220332 its reverse (23302200102), we get a palindrome (43402420434).

The spelling of 20100220332 in words is "twenty billion, one hundred million, two hundred twenty thousand, three hundred thirty-two".