22120021302 has 16 divisors (see below), whose sum is σ = 44487195840. Its totient is φ = 7332148232.

The previous prime is 22120021283. The next prime is 22120021303. The reversal of 22120021302 is 20312002122.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22120021303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10296888 + ... + 10299035.

It is an arithmetic number, because the mean of its divisors is an integer number (2780449740).

Almost surely, 2^22120021302 is an apocalyptic number.

22120021302 is an abundant number, since it is smaller than the sum of its proper divisors (22367174538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22120021302 is a wasteful number, since it uses less digits than its factorization.

22120021302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20596107.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 22120021302 its reverse (20312002122), we get a palindrome (42432023424).

The spelling of 22120021302 in words is "twenty-two billion, one hundred twenty million, twenty-one thousand, three hundred two".