32403221210420 has 24 divisors (see below), whose sum is σ = 68048470413000. Its totient is φ = 12960963556352.

The previous prime is 32403221210383. The next prime is 32403221210431. The reversal of 32403221210420 is 2401212230423.

It can be written as a sum of positive squares in 4 ways, for example, as 5004822225316 + 27398398985104 = 2237146^2 + 5234348^2 .

It is a super-2 number, since 2×32403221210420² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 32403221210420.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19489445 + ... + 21086604.

It is an arithmetic number, because the mean of its divisors is an integer number (2835352933875).

Almost surely, 2^{32403221210420} is an apocalyptic number.

It is an amenable number.

32403221210420 is an abundant number, since it is smaller than the sum of its proper divisors (35645249202580).

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

32403221210420 is a wasteful number, since it uses less digits than its factorization.

32403221210420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40615987 (or 40615985 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 32403221210420 its reverse (2401212230423), we get a palindrome (34804433440843).

The spelling of 32403221210420 in words is "thirty-two trillion, four hundred three billion, two hundred twenty-one million, two hundred ten thousand, four hundred twenty".