32432020121 has 32 divisors (see below), whose sum is σ = 34281139200. Its totient is φ = 30652992000.

The previous prime is 32432020091. The next prime is 32432020123. The reversal of 32432020121 is 12102023423.

It is a cyclic number.

It is not a de Polignac number, because 32432020121 - 2¹⁰ = 32432019097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32432020093 and 32432020102.

It is not an unprimeable number, because it can be changed into a prime (32432020123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73876820 + ... + 73877258.

It is an arithmetic number, because the mean of its divisors is an integer number (1071285600).

Almost surely, 2^32432020121 is an apocalyptic number.

It is an amenable number.

32432020121 is a deficient number, since it is larger than the sum of its proper divisors (1849119079).

32432020121 is a wasteful number, since it uses less digits than its factorization.

32432020121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 32432020121 its reverse (12102023423), we get a palindrome (44534043544).

The spelling of 32432020121 in words is "thirty-two billion, four hundred thirty-two million, twenty thousand, one hundred twenty-one".