32320021200020 has 12 divisors (see below), whose sum is σ = 67872044520084. Its totient is φ = 12928008480000.

The previous prime is 32320021199993. The next prime is 32320021200037. The reversal of 32320021200020 is 2000212002323.

It can be written as a sum of positive squares in 2 ways, for example, as 4242273463684 + 28077747736336 = 2059678^2 + 5298844^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 808000529981 + ... + 808000530020.

It is an arithmetic number, because the mean of its divisors is an integer number (5656003710007).

Almost surely, 2^{32320021200020} is an apocalyptic number.

It is an amenable number.

32320021200020 is an abundant number, since it is smaller than the sum of its proper divisors (35552023320064).

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

32320021200020 is a wasteful number, since it uses less digits than its factorization.

32320021200020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1616001060010 (or 1616001060008 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 32320021200020 its reverse (2000212002323), we get a palindrome (34320233202343).

The spelling of 32320021200020 in words is "thirty-two trillion, three hundred twenty billion, twenty-one million, two hundred thousand, twenty".