20012223132130 has 8 divisors (see below), whose sum is σ = 36022001637852. Its totient is φ = 8004889252848.

The previous prime is 20012223132113. The next prime is 20012223132133. The reversal of 20012223132130 is 3123132221002.

It can be written as a sum of positive squares in 2 ways, for example, as 19812620592769 + 199602539361 = 4451137^2 + 446769^2 .

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 (20012223132133) 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, 1000611156597 + ... + 1000611156616.

Almost surely, 2^{20012223132130} is an apocalyptic number.

20012223132130 is a deficient number, since it is larger than the sum of its proper divisors (16009778505722).

20012223132130 is a wasteful number, since it uses less digits than its factorization.

20012223132130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2001222313220.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 20012223132130 its reverse (3123132221002), we get a palindrome (23135355353132).

The spelling of 20012223132130 in words is "twenty trillion, twelve billion, two hundred twenty-three million, one hundred thirty-two thousand, one hundred thirty".