220321132004432 has 40 divisors (see below), whose sum is σ = 452002097282112. Its totient is φ = 103675996505600.

The previous prime is 220321132004417. The next prime is 220321132004459. The reversal of 220321132004432 is 234400231123022.

It is a junction number, because it is equal to n+sod(n) for n = 220321132004395 and 220321132004404.

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, 11487194 + ... + 23929017.

Almost surely, 2^{220321132004432} is an apocalyptic number.

It is an amenable number.

220321132004432 is an abundant number, since it is smaller than the sum of its proper divisors (231680965277680).

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

220321132004432 is a wasteful number, since it uses less digits than its factorization.

220321132004432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35439107 (or 35439101 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 220321132004432 its reverse (234400231123022), we get a palindrome (454721363127454).

The spelling of 220321132004432 in words is "two hundred twenty trillion, three hundred twenty-one billion, one hundred thirty-two million, four thousand, four hundred thirty-two".