20132120002 has 8 divisors (see below), whose sum is σ = 30465420876. Its totient is φ = 9976979712.

The previous prime is 20132119999. The next prime is 20132120009. The reversal of 20132120002 is 20002123102.

It can be written as a sum of positive squares in 2 ways, for example, as 19127166601 + 1004953401 = 138301^2 + 31701^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (20132120009) 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, 44539863 + ... + 44540314.

Almost surely, 2^20132120002 is an apocalyptic number.

20132120002 is a deficient number, since it is larger than the sum of its proper divisors (10333300874).

20132120002 is a wasteful number, since it uses less digits than its factorization.

20132120002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89080292.

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

Adding to 20132120002 its reverse (20002123102), we get a palindrome (40134243104).

The spelling of 20132120002 in words is "twenty billion, one hundred thirty-two million, one hundred twenty thousand, two".