32203220020 has 24 divisors (see below), whose sum is σ = 71604807624. Its totient is φ = 12123565056.

The previous prime is 32203219991. The next prime is 32203220039. The reversal of 32203220020 is 2002230223.

It can be written as a sum of positive squares in 4 ways, for example, as 10428085924 + 21775134096 = 102118^2 + 147564^2 .

It is a junction number, because it is equal to n+sod(n) for n = 32203219976 and 32203220003.

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, 47357337 + ... + 47358016.

It is an arithmetic number, because the mean of its divisors is an integer number (2983533651).

Almost surely, 2^32203220020 is an apocalyptic number.

It is an amenable number.

32203220020 is an abundant number, since it is smaller than the sum of its proper divisors (39401587604).

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

32203220020 is a wasteful number, since it uses less digits than its factorization.

32203220020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94715379 (or 94715377 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

Adding to 32203220020 its reverse (2002230223), we get a palindrome (34205450243).

The spelling of 32203220020 in words is "thirty-two billion, two hundred three million, two hundred twenty thousand, twenty".