32020002121 has 4 divisors (see below), whose sum is σ = 32330876032. Its totient is φ = 31709128212.

The previous prime is 32020002059. The next prime is 32020002137. The reversal of 32020002121 is 12120002023.

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 32020002121 - 2¹¹ = 32020000073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32020002181) 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, 155436801 + ... + 155437006.

It is an arithmetic number, because the mean of its divisors is an integer number (8082719008).

Almost surely, 2^32020002121 is an apocalyptic number.

It is an amenable number.

32020002121 is a deficient number, since it is larger than the sum of its proper divisors (310873911).

32020002121 is a wasteful number, since it uses less digits than its factorization.

32020002121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310873910.

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

Adding to 32020002121 its reverse (12120002023), we get a palindrome (44140004144).

The spelling of 32020002121 in words is "thirty-two billion, twenty million, two thousand, one hundred twenty-one".