32020323021 has 48 divisors (see below), whose sum is σ = 51650763840. Its totient is φ = 18996456960.

The previous prime is 32020323019. The next prime is 32020323029. The reversal of 32020323021 is 12032302023.

It is a happy number.

32020323021 is a `hidden beast` number, since 320 + 2 + 0 + 323 + 0 + 21 = 666.

It is not a de Polignac number, because 32020323021 - 2¹ = 32020323019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 32020322985 and 32020323003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32020323029) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1509831 + ... + 1530891.

It is an arithmetic number, because the mean of its divisors is an integer number (1076057580).

Almost surely, 2^32020323021 is an apocalyptic number.

It is an amenable number.

32020323021 is a deficient number, since it is larger than the sum of its proper divisors (19630440819).

32020323021 is a wasteful number, since it uses less digits than its factorization.

32020323021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21626 (or 21623 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 32020323021 its reverse (12032302023), we get a palindrome (44052625044).

The spelling of 32020323021 in words is "thirty-two billion, twenty million, three hundred twenty-three thousand, twenty-one".