32020020121 has 4 divisors (see below), whose sum is σ = 32036202000. Its totient is φ = 32003838244.

The previous prime is 32020020061. The next prime is 32020020127. The reversal of 32020020121 is 12102002023.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 32020020121 - 2¹³ = 32020011929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32020020127) 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, 8087971 + ... + 8091928.

It is an arithmetic number, because the mean of its divisors is an integer number (8009050500).

Almost surely, 2^32020020121 is an apocalyptic number.

It is an amenable number.

32020020121 is a deficient number, since it is larger than the sum of its proper divisors (16181879).

32020020121 is a wasteful number, since it uses less digits than its factorization.

32020020121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16181878.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 32020020121 its reverse (12102002023), we get a palindrome (44122022144).

The spelling of 32020020121 in words is "thirty-two billion, twenty million, twenty thousand, one hundred twenty-one".