32121302020 has 12 divisors (see below), whose sum is σ = 67454734284. Its totient is φ = 12848520800.

The previous prime is 32121302011. The next prime is 32121302029. The reversal of 32121302020 is 2020312123.

It is an interprime number because it is at equal distance from previous prime (32121302011) and next prime (32121302029).

It can be written as a sum of positive squares in 2 ways, for example, as 17045391364 + 15075910656 = 130558^2 + 122784^2 .

It is a junction number, because it is equal to n+sod(n) for n = 32121301985 and 32121302003.

It is not an unprimeable number, because it can be changed into a prime (32121302029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 803032531 + ... + 803032570.

It is an arithmetic number, because the mean of its divisors is an integer number (5621227857).

Almost surely, 2^32121302020 is an apocalyptic number.

It is an amenable number.

32121302020 is an abundant number, since it is smaller than the sum of its proper divisors (35333432264).

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

32121302020 is a wasteful number, since it uses less digits than its factorization.

32121302020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1606065110 (or 1606065108 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 32121302020 its reverse (2020312123), we get a palindrome (34141614143).

The spelling of 32121302020 in words is "thirty-two billion, one hundred twenty-one million, three hundred two thousand, twenty".