20130022303221 has 32 divisors (see below), whose sum is σ = 28680333631488. Its totient is φ = 12514689457920.

The previous prime is 20130022303189. The next prime is 20130022303249. The reversal of 20130022303221 is 12230322003102.

It is a happy number.

It is not a de Polignac number, because 20130022303221 - 2⁵ = 20130022303189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20130022303271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1952940 + ... + 6638826.

It is an arithmetic number, because the mean of its divisors is an integer number (896260425984).

Almost surely, 2^{20130022303221} is an apocalyptic number.

It is an amenable number.

20130022303221 is a deficient number, since it is larger than the sum of its proper divisors (8550311328267).

20130022303221 is a wasteful number, since it uses less digits than its factorization.

20130022303221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4686681.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 20130022303221 its reverse (12230322003102), we get a palindrome (32360344306323).

The spelling of 20130022303221 in words is "twenty trillion, one hundred thirty billion, twenty-two million, three hundred three thousand, two hundred twenty-one".