332211211220 has 96 divisors (see below), whose sum is σ = 800282004480. Its totient is φ = 113476631040.

The previous prime is 332211211151. The next prime is 332211211223. The reversal of 332211211220 is 22112112233.

It is a super-2 number, since 2×332211211220² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 332211211192 and 332211211201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (332211211223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63143390 + ... + 63148650.

It is an arithmetic number, because the mean of its divisors is an integer number (8336270880).

Almost surely, 2^332211211220 is an apocalyptic number.

It is an amenable number.

332211211220 is an abundant number, since it is smaller than the sum of its proper divisors (468070793260).

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

332211211220 is a wasteful number, since it uses less digits than its factorization.

332211211220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6873 (or 6871 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 332211211220 its reverse (22112112233), we get a palindrome (354323323453).

It can be divided in two parts, 3 and 32211211220, that added together give a palindrome (32211211223).

The spelling of 332211211220 in words is "three hundred thirty-two billion, two hundred eleven million, two hundred eleven thousand, two hundred twenty".