32112010033220 has 192 divisors, whose sum is σ = 79671608081856. Its totient is φ = 10761592504320.

The previous prime is 32112010033217. The next prime is 32112010033223. The reversal of 32112010033220 is 2233001021123.

It is an interprime number because it is at equal distance from previous prime (32112010033217) and next prime (32112010033223).

It can be written as a sum of positive squares in 32 ways, for example, as 17637698475076 + 14474311558144 = 4199726^2 + 3804512^2 .

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 = 32112010033192 and 32112010033201.

It is not an unprimeable number, because it can be changed into a prime (32112010033223) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 17611190 + ... + 19348850.

It is an arithmetic number, because the mean of its divisors is an integer number (414956292093).

Almost surely, 2^{32112010033220} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32112010033220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39835804040928).

32112010033220 is an abundant number, since it is smaller than the sum of its proper divisors (47559598048636).

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

32112010033220 is a wasteful number, since it uses less digits than its factorization.

32112010033220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1737850 (or 1737848 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 32112010033220 its reverse (2233001021123), we get a palindrome (34345011054343).

The spelling of 32112010033220 in words is "thirty-two trillion, one hundred twelve billion, ten million, thirty-three thousand, two hundred twenty".